kimberlite how to identify a raw diamond. 07 (25% off) Interesting impactite. kimberlite how to identify a raw diamond

 
07 (25% off) Interesting impactitekimberlite how to identify a raw diamond However, diamonds do form in mineral crystal deposits found in igneous rock

Another steep-walled pipe is the 25 ha Tier 1 Udachnaya (Russia) diamond mine, a kimberlite twin pipe (Kostrovitsky et al. Diamond prospectors know that the secret to finding diamonds is to locate rocks called kimberlites. kimberlite diamonds Identify Rocks Rock and Mineral Identification Rough Diamond. Three basic methods of hunting for diamonds are used, all having some potential for success. The pipes themselves are often less than 100 million years old. Crystal Form. You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long. 3 carats was found in the Kelsey Lake Mine which is located in the kimberlite area of Colorado. Corundum is 9 on the scale of the weather’s ability to adapt. When enough melt has formed, it rises. Kimberlites are the most important source of primary diamonds. Porosity: The rock typically has a high porosity, meaning it contains many small voids or spaces. $800. Furthermore, diamonds have a higher color saturation than quartz crystals and are frequently less expensive. Kimberlite is a type of rock that is found in the earth’s crust and is the main source of diamonds. Diamonds which have not yet been cut are referred to as 'rough' or 'raw' diamonds. 3 carat diamond discovered in 1996. It is found in a type of igneous rock known as kimberlite. " The mineralogy of the rocks in these pipes, known as kimberlite, is unusual and unique and reflects high pressure of formation. Geologic investigation of the nature and petrology of the Wyoming/Colorado kimberlites has been ongoing since 1965. This paper discusses geophysical prospecting techniques for kimberlite pipes, a major source of diamonds. Until more work is done in these regions, one cannot tell if these rocks have any economic value. Diamonds, because of their lack of flexibility in the structure, are not actually very strong at all. What gems are found in kimberlite? Garnet, chromite, ilmenite, chromium diopside, and olivine occur in kimberlites in significantly higher quantities than diamonds. Other containt abundant minerals are chrome-diopside, olivine, and chromium- and pyrope-rich garnet . Diamonds are most abundant in stable layers of the Earth's crust called. As a rock, rather than a single mineral, the chemical makeup of kimberlite varies. Neil Diamond goes back to. Here are the steps you should follow to identify a raw diamond: Step 1: Look for Imperfections. It is found in a type of igneous rock known as kimberlite. Kimberlite and diamonds are both erupted to the earth's surface via volcanic pipes. The kimberlite pipes (such as those at Kimberley, South Africa) form from intrusions of magma into the Earth’s crust and deliver diamonds and other rocks and minerals from the mantle. Approaches to reutilization of diamond clay tailings in northern environments are considered in the example of the Subarctic region of Russia. Diamonds are not only formed under the heat and pressure of the Earth’s gravity, but can form in the midst of a collision between Earth and an asteroid. Precious Stones HeartEyeMag-13. The refractive index of quartz ranges from 1. ” - WikipediaKimberlite is also referred to as blue ground and yellow ground. how to identify a raw diamond. From there, you’ll want to perform a more precise test with a piece of corundum or an electronic diamond tester. 55. Image #3 | Resolution: 4500x6000. 47) or oil of wintergreen (refractive index 1. Identification of rough diamonds uses crystal form, specific gravity, hardness and other physical properties. If it sinks, the stone is a genuine raw diamond. That is one chance in a billion! OK, so you think you beat the odds and actually found a rough diamond. $165. by Dwaipayan. Identifying raw diamonds requires the use of specific tools that can aid in observation and analysis. And it’s a reliable method of ensuring that what you’ve found is a raw diamond. Kimberlite is a potassic to ultrapotassic ultramafic rock with inequigranular texture. But. Next, look at the rock under a microscope or magnifying glass. Learn how to recognize rough diamondsIn Kimberlite Identify Rocks Rock and Mineral Identification Rough Dia. 2. The rocks are a type of igneous rock that forms when magma flows out of deep earth fractures. If you want to find diamonds, watch this channel. It is found in a type of igneous rock known as kimberlite. Raw diamonds also tend to be less brilliant than cut and polished diamonds. When kimberlite gets processed, chemicals that are dangerous to the environment are used to extract the diamond. The kimberlite was stockpiled on site until summer when it was processed and the final diamond concentrate was sent to South Africa for final diamond sorting and evaluation. Rough or raw diamonds that have not yet been cut are referred to as rough or raw diamonds. The diamonds must have been eroded from one or more kimberlite bodies because kimberlite is the only primary bedrock source of diamonds. As kimberlite indicator minerals, they are used for diamond prospecting, as well as for the primary assessment of whether a target kimberlite is diamond-bearing or not. Discuss where diamonds are mined from, which include sites of volcanic eruptions, riverbeds and old, disused mines, and the best areas where you can dig for. . Not everything that shines is gold, and not everything that sparkles is a diamond. Diamonds in the primary rock kimberlite are found by a variety of techniques, but of great importance is the use of sampling for indicator minerals. When the diamond-rich depth is reached, the raw. LOSOWA ; ZALOGUJ SIĘ . Gemstone identification can involve many tests. Previously, Kimberly diamonds were contained in weathered kimberlite that had been tinted yellow by limonite and was known as yellow ground. Once the visitor can recognize a raw or rough diamond, the search for stones can begin. May 4, 2023 - Explore LaJuana Beers's board "Raw Diamond", followed by 275 people on Pinterest. Kimberlite was called Diamond Rock in earlier times due to the presence of Diamonds. How to Find Kimberlite Pipes. Measure The Density Of The Stone Find kimberlite, and you’ve got a much better chance at finding diamonds. 1. Identifying Diamond Rock through the 4C’s. Colored Diamonds such as blue, red, green, pink, and purple, are known as. Natural diamond production averages more than 110 million carats annually valued at more than $7 billion for raw stones. How can you tell if a rock is raw diamond? The only hardness test that will identify a diamond is scratching corundum. If you can see a circular reflection of the dot inside the gem, then it is not a real diamond. Wash and dry the stone to remove dirt and dust. Minecraft Secret to Finding Diamonds. The rocks are a type of igneous rock that forms when magma flows out of deep earth fractures. Where to find diamonds, How to. Field of view is approximately 1 meter. Wait about 40 seconds. more iolite (water sapphire) and diamonds will be found. Pecos Valley Diamonds are found in the southeastern region of New Mexico, exposed in dispersed outcrops that. Cross-section of kimberlite from South Africa. I'm in chapter 8 but I've have this item in the recipe book for a while and I found the s*** to make all the other gems. The kimberlite was stockpiled on site until summer when it was processed and the final diamond concentrate was sent to South Africa for final diamond sorting and evaluation. Kimberlite is an igneous rock that major source of diamonds. All diamonds are formed from carbon. How to Identify an Uncut Rough Diamond Identification of rough diamonds uses crystal form, specific gravity, hardness and other physical properties. The rapid and violent eruption of kimberlite releases carbon dioxide and other volatile components. Currently, the diamond industry is already using X-rays in order to find the coveted gems. Originally discovered in Russia’s Ural Mountains in the 1830s, it’s now found in Sri Lanka, East Africa, and Brazil, but fine material is exceptionally rare and valuable. Tips for identifying a raw diamond . The characteristics diamonds retain after formation are called inclusions and blemishes. These can help you to identify a gemstone as being raw and uncut. If you want to learn how and where to find diamonds, watch this video. Corundum, which includes all rubys and sapphires, is 9 on the hardiness scale. Kimberlite eruptions appear to reach the surface around 22-30 million years after supercontinents split us, and after slabs of crustal roots have migrated away from the edges of continental plates. They are formed from carbon under high pressure and temperature. Kimberlite rocks are igneous rocks that sometimes serve as a natural carrier of diamonds. S. , kimberlite, lamproite and lamprophyre). Under “Add your personalization,” the text box will tell you. Diamonds form rare gemstones commercially mined from kimberlite, lamproite and placer deposits primarily around old continental cores known as cratons. Kimberlite, raw stone diamond ore, rough magnetic kimberlite, stone gift for collectors of stone and minerals, bedrock of diamond kimberlite. Kimberlite pipes are shaped like carrot-shaped formations, so if you happen. So, let’s embark on this geological journey and unlock the secrets of kimberlite identification! Keyword: How to identify kimberlite. 5 on a piece of glass can be scratched quite a bit by anything, so don’t scratch it with the shiny rock. In this stage, the ore are scrubbed to remove loose excess material and is screened. At least seven diamond discoveries were made in Wisconsin between 1876 and 1913. . The presence of other crystals in it also earned names like Peridotite Diamond and Olivinite Diamond. If you want to find diamonds, watch this channel. “Ahora, the last release of the Romo-Agri-Messiez, ranked in the top…“Ahora, the last release of the Romo-Agri-Messiez, ranked in the top…Most are a few hundred meters across, so they can be hard to find. In Nevada County a 1. what does a rough diamond look like. Even though a diamond may be found as a xenocryst (single crystal) within the Kimberlite matrix, inclusions or flaws within the diamond crystal can identify its origins. 3. Pink diamonds are rare. As the magma cools and solidifies, it creates kimberlite and lamproite pipes, which are the primary sources of raw diamonds. How to Identify an Uncut Rough Diamond | Sciencing . Kimberlite is a type of igneous rock. Kimberlite typically holds a conglomerate of silicates and aluminates. A: Scene from Chapada Diamantina, the carbonado site in Bahia, Brazil. Diamond is found in kimberlites and also in alluvial deposits (streams, river. Speaking of speculation, Southwick and Chandler suggest that theThe kimberlites are visible on GoogleEarth at 40o50'38. Masontown Kimberlite diamonds are available in Greene and Fayette counties. Hundreds of these eruptions that occurred over the past 200 million. 2105). Table of Contents. Kimberlite eruptions appear to reach the surface around 22-30 million years after. This article describes the unusual textural features of carbonado, namely their pores and the presence of glassy diamond as a surface patina, with the aim of assessing the origin of carbonado. Black opal. Identifying diamond rock can be a challenging task, especially for those who are new in the field. " 1mm White Rough Diamond, Natural White. These pipes act as pathways for the ascent of diamonds. . I am posting a video of my findings regarding a comment posted to my blue clay video. Corundum, which includes all rubys and sapphires, is 9 on the hardiness scale. If you want to learn how and where to find diamonds, watch this video. Kimberlite How To Identify A Raw Diamond. When purchasing a diamond, it is critical to understand the differences between diamond and quartz crystals. The only hardness test that will identify a diamond is scratching corundum. Australia's rare pink-diamond mine formed from the clashing and stretching of continents, a new study found. Other Sources of Diamonds. It is a rare type of peridotite with many xenoliths and xenocrysts, including, on rare occasions, diamonds. . Puddingstone is the unofficial name given to quartz conglomerate. It is known that kimberlites are ultrabasic igneous rocks, which normally occur as pipes, dikes or sills. Raw diamonds are usually small, rough, and dark in color. We would like to show you a description here but the site won’t allow us. Kimberlites occur in ancient and thick continental lithosphere, forming intrusive sheets and. Heat them enough they burn. Step 2 – Take note of the quantity of water in your container. Offer facts on diamonds, including how deep diamonds are in the ground, as well as the kinds of rocks that diamonds are found in — answer: encased in an igneous rock called kimberlite. The quickest way to identify a diamond is through its shape. Learn how to recognize rough. To identify a raw diamond at home, you will need a few tools including a magnifying glass, a pen, and a piece of white paper. 5-carat (16. 30. Observe the overall shape and texture of the diamond. Raw diamonds are similar to water-worn quartz pebbles, and can be mistaken for these rocks. Learn how to recognize rough diamondsIn Kimberlite rocks and this video is a sampling of Kimberlite rocks w. In order to accurately identify a raw diamond, one must take note of its hardness, specific gravity, and refractive index, among other factors. Raw diamonds are typically found in kimberlite pipes, which are narrow vertical shafts of rock that were formed by volcanic activity. Sometimes it’s hard to tell from pictures what size they are. To identify a raw diamond in rocks, you can use various methods. Diamonds are the hardest known mineral, with an outstanding Moh’s of 10. Brown. These eruptions were short, but many times more powerful than volcanic eruptions that happen today. 87 carats) was found in Colorado. What Diamonds Look Like before they are Cut If you want to find diamonds, watch this channel. 5mm is discarded because it is too costly to extract diamonds from such a small piece of ore. DIAMOND ORE KIMBERLITE blue ground high quality 100lbs lot for sale free clay with purchase valued at $2,000 for just the clay. Heat the stone with a lighter for approximately 40 seconds, then drop the stone directly into the cold water. The chances of finding a diamond are 1 in 10,000,000. Secondly, hold it up to the light and look for imperfections. Today, kimberlite is by far the most important source of naturally occurring diamonds, and deposits are found around the world. Rough Diamond Stock Photo by ©Kacpura 50178199 . Oregon's famous sunstone is produced from basalt flows, thundereggs are formed in rhyolite, and the silica that produced much of Oregon's opal, agate, and jasper was. Kimberlite is a potassic to ultrapotassic ultramafic rock with inequigranular texture. The second type of diamond is known as a “pipe diamond. This channel has specialized in rock kimberlite and diamond raw natural which is an ongoing series and machahd is the result of the work of my youth learn how to recognize rough diamonds in kimberlite rocks and this video is a sampling of kimberlite rocks with rough diamonds so that you. They are formed deep within the earth over millions of years under intense heat and pressure, and are typically found in kimberlite pipes or alluvial deposits. When the diamond-rich depth is reached, the raw. It is in its natural state, straight from the earth. Alluvial mining involves the building of walls and the diversion of rivers. After that, you can conduct a more accurate evaluation using a piece of corundum or an electronic diamond tester. Hold the loupe close to your eye and focus on the diamond to use it. Yet, unlike many geologic processes, a kimberlite eruption could launch rocks from the mantle at. . Most kimberlites emerge at the surface as roughly circular, pipelike bodies generally only 100 feet or less across. The diamond itself is essentially a chain of carbon atoms that have crystallized. How to Identify a Raw Black Diamond? When most people think of diamonds, they likely picture a sparkling, clear gemstone. . Thus, many refer to it as a complex hybrid rock. It is a mica peridotite, and its most abundant mineral constituent is olivine. Kimberlite is an indicator mineral, increasing odds for geologists that a. To identify whether the stone you have is a diamond, you can do a quick visual evaluation to rule out other gemstones. Figure 2. The Lake Ellen kimberlite is very poorly exposed, but aOʻzbekcha / ўзбекча. Kimberlite is a scarce and unique volcanic rock that supplies diamonds to markets worldwide. A raw diamond found in the ground will have a jagged surface, with rough edges and a dull appearance. Where to find diamonds,. These quizzes can help novice gemologists learn to pick the. As rare and exquisite diamonds have long been associated with luxury, romance, and status in human civilization. is rotated vertically on the surface of the raw gem. If there are 6 sides, it means that itu2019s likely a quartz crystal. If you want to find diamonds, watch this channel. Given that less than 1% of kimberlites will yield an economically-viable diamond deposit, finding a viable diamond mine is a daunting task. Step 1 – Weigh the stone on your scale. Kimberlite, a rare type of volcanic rock, is famous for its association with diamonds. Diamonds are found all over the world, in countries including Africa, Australia, and Russia. Heat the stone with a lighter for approximately 40 seconds, then. Minecraft Secret to Finding Diamonds. Then drop the stone you have into the glass. The discovery could lead to more colorful diamonds. Forged under extreme temperatures and pressures more than 150 kilometers down in the mantle, diamonds ride rockets to reach Earth’s surface: narrow pipes of magma called kimberlite that can erupt at the speed of sound. Diamonds which have not yet been cut are referred to as 'rough' or 'raw' diamonds. Home; How To Sell Jewelry; About Us; FAQs; ContactLab-grown diamonds are absolutely real in the sense that the resulting stone is a gem-quality diamond that can compete with natural stones in many ways. 2. . , 2013, Guha et al. How to Get Diamonds in Minecraft. Modified date: 25/09/2023. After identifying the location, the only way to test the diamond-rich deposit is to sample it. For instance, if the rock is transparent or translucent, it may be a real diamond. When looking down at the crystals from the top, a diamond will have four sides. To test this, grab a drinking glass and fill it with cold water. See full list on yesdirt. Easy check at home between diamonds and crystals - very simple methods. If you want to find diamonds, watch this channel. Diamonds are extracted from the earth by mining. The new algorithm uses this data. The best and easiest way to establish a basic trust is to get it graded by an authoritative gemological lab. In general, it’s high in magnesium and potassium minerals, while low in silica. Kimberlite is one of the main rocks in which diamonds can be found. Raw diamonds are found in a type of rock called kimberlite. Emma Ave. Most diamonds have been transported to Earth’s surface from depths between ~120 km and ~660 km by volatile-rich magmas called kimberlites. Why Diamonds Are Only Found In Kimberlites. But NO OTHER HARDNESS TEST will identify a diamond. Place your gem in a plastic cup filled with water and fill it halfway with water. Cratons are ancient, stable parts of the Earth's continental crust where diamonds can be found. Diamonds Act 56 of 1986, and the Diamonds Export Levy Act 15 of 2007. Under “Add your personalization,” the text box will tell you. To test if a diamond is real using heat, grab a drinking glass and fill it with cold water. Gemstone Identification Quizzes: Testing Procedures. This study by the Alberta Geological Survey which was funded by the Canada-Alberta Partnership on Minerals, was undertaken in response to the discovery of diamonds in kimberlitic diatribes in the Lac de Gras area of the Northwest Territories and the Fort a la Come area of Saskatchewan. Diamond raw natural uncut P#04 - YouTube | Raw gemstones. These tiny inclusions provide important data on the origin of diamond and may be used to determine the age of the stone or to identify the unique chemistry associated with the genesis of diamond. Test for Specific Gravity. A Diversity of Gems. Diamonds could also be found on the seabed along the This region produces gem-quality stones in addition to industrial-grade diamonds, including a 26. Simple Tests You Can Perform At Home. These gemstones are mostly a result of the state's long volcanic history. Kimberlite occurs in the Earth’s crust in vertical structures known as. Rough jade. You may never have heard the name puddingstone, but it is very likely you have seen at least one. How To Identify Raw Diamonds In Rocks. Kimberlite pipes bring the gems to the surface in eruptions that sometimes rise faster than the speed of sound. Kim­berlite pipes are created as magma flows through deep fractures in the Earth. The second is from a laboratory and possesses essentially the same chemical, physical and optical properties. Learn how to recognize rough diamond and gold ore Identify Rocks Rock and Mineral Identification Rough Diam. If you see a circular reflection inside, the diamond is fake. imperfections, also known as inclusions, are found in the majority of genuine diamonds. Today, diamonds are mostly mined from kimberlite pipes, remnants of the ancient volcanoes that carried diamonds to Earth’s surface. If you can see a circular reflection of the dot inside the gem, then it is not a real diamond. Find Raw Diamond stock images in HD and millions of other royalty-free stock photos, 3D objects, illustrations and vectors in the Shutterstock collection. Colorless Diamonds are most often used in jewelry, although recently yellow and brown gems have picked up in popularity. The fog test is another easy and quick method that could be carried out anywhere; take the diamond, whether mounted or raw and lift it to about one centimeter from your mouth, then release some hot air on it as if it’s a bathroom mirror and watch how the dog behaves on the stone. A defining feature is that kimberlites are rich in carbon dioxide and water, which are stored in minerals such as calcite, phlogopite. Kimberlite is a diamond bearing igneous rock. See moreIdentification of rough diamonds uses crystal form, specific gravity, hardness and other physical properties. Figure 1. Meteoritic iron, glass, spherules, graphite on a base of calcined limestone - 35. Kimberlite that is on the surface is often yellow in color. When wet, the clay looks blue – hence the name, ‘blue ground’. Kimberlite is a type of subterranean volcanic rock that often brings up diamonds. All diamonds are formed from carbon. $8. Pipes of the minerals kimberlite and lamproite are frequently found in the Earth’s upper mantle, and their pipe “trails” include diamond crystals. Learn how to recognize rough diamondsIn Kimberlite rocks and this video is a sampling of Kimberlite rocks w. A defining feature is that kimberlites are rich in carbon dioxide and water, which are stored in minerals such as calcite, phlogopite. $1,350. The porphyritic texture of Kimberlite contains large, usually rounded crystals (phenocrysts) surrounded by a fine-grained groundmass. 3 carat diamond discovered in 1996. Dot test Lay a white piece of paper flat on a hard surface and draw a small dot with a pen. The world average odds of success, i. Even though a diamond may be found as a xenocryst (single crystal) within the Kimberlite matrix, inclusions or flaws within the diamond crystal can identify its origins. Once the water is emptied out and prevented from flowing into the area of interest, bulldozers are then used to exploit the ground of the riverbank. Cut gemstones are usually smooth and polished. Bulletin 063. 00. The number of sides can be found by counting the points of the crystal. If you look at the reflection of a real diamond, you will notice a split in the middle of the reflection and a rainbow pattern of light around the edges. com Rough diamonds in kimberlite kimberlite rmzi 5. Diamonds in unweathered kimberlite, termed blue ground, must be extracted by crushing the rock and separating the diamonds. 5-3. Check out the diamond's facets, spots, and flaws on the surface. in Wyoming. By 1977, it was recognized that the Arkansas diamond-bearing rock was. You are better off waiting until Chapter 10 to make this item as Kimberlites become common. Moissanite conducts an electric current very well while diamond is an electrical insulator (electrically resistant). (5. Called the “Lulo Rose,” the diamond was found at the Lulo. Diamonds are part of the. In the meantime, however, diamond fever was sweeping the West, and prospectors were scouring the land looking for Arnold and Slack’s bonanza. . GemHunter's Guide to Diamonds and Their Mineralogy & Prospecting Methods. This is especially true if you spend much time near flowing streams, especially in. People can tell the difference between real kimberlite and other rocks or fake specimens by looking at them carefully and, in some cases, using scientific tests. One of the most common ways to identify a raw diamond is to test the hardness of the diamond. How To Tell Raw Diamond From Quartz. They have different. John, Diamond in kimberlite. Recently, a kimberlite pipe, here named the Lake Ellen kimber­ lite, has been found in Iron County, Michigan. The most common way to find raw diamonds is by looking for kimberlite rocks. You can also perform a gravity. How to Identify an Uncut Rough Diamond Identification of rough diamonds uses crystal form, specific gravity, hardness and other physical properties. . The first are lithospheric diamonds, which form in the lithospheric layer around 150 to 250 kilometers (93 - 155 miles) below the surface of Earth. diamonds are carried along for the ride when kimberlites rapidly climb to the surface Source: James St. They sparkle and catch the light. Heat the stone with a lighter for approximately 40 seconds, then drop the stone directly into the cold water. The diamonds, which also originate in the mantle, are carried up to the surface in these small pipelike bodies. To identify whether the stone you have is a diamond, you can do a quick visual evaluation to rule out other gemstones. To perform a hardness test, simply scratch the. In a natural diamond, you should be able to see a couple of these with a 10X hand lens unless you found a really good diamond – then you may need a. Understanding how to identify kimberlite is crucial for geologists, prospectors, and even diamond enthusiasts. The meaning of Kimberlite is stability. As an example, you can scratch steel with a diamond, but you can easily shatter a diamond with a hammer. You can tell a diamond that came from Africa from one found in Brazil, or India, or Australia. The comment suggested the blue layer could be a part of a decomposing k. Workers use baskets with strainers to look through the sediment on the riverbed to get decently sized rocks together (see example #2 below). The diamond-bearing kimberlites of the Colorado-Wyoming state line province, offer valuable insight into the physical and chemical conditions in the mantle and the evolution of the craton. Olivine crystals (green) are in a fine-grained matrix made up of clay minerals and carbonates (presented in blue, purple and buff colors). Diamonds crystallize in the mantle well below the crust but they are carried up into the crust by the rising kimberlitic magma. To test if a diamond is real using heat, grab a drinking glass and fill it with cold water. Let us explain: Diamonds are the result of carbon getting exposed to incredible amounts of heat and pressure. In diamond mining, this is. kimberlite how to identify a raw diamondKimberlite is an igneous rock and a rare variant of peridotite. Precious Stones. Kimberlite is typically found in pipes – structures with. “Ahora, the last release of the Romo-Agri-Messiez, ranked in the top…Diamonds are typically found in rocks called Kimberlite, which are a type of igneous rock. They are formed. A version of this story appeared in Science, Vol 381, Issue 6656. 2105). Kimberlites form this region do yield beautiful diamonds which mostly range from very small to a maximum of 3 carats. Diamonds are known to be the hardest mineral, with a score of 10 on the Mohs hardness scale. Many customers find no diamonds on the surface or within the Kimberlite. Once they’ve evaluated the gem, they can definitively tell if it is a raw diamond. Diamonds which have not yet been cut are referred to as 'rough' or 'raw' diamonds. Plan and cross section views of the Udachnaya East and West pipes are shown in Figure 10.