Tourmaline, Tourmaline (/ ˈ t ʊər m ə l iː n / TOOR-mə-leen) is a crystalline boron silicate mineral compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassiumTourmaline is classified as a semi-precious stone and the gemstone comes in a wide variety of colorsTourmaline deposit near Ibadan, Nigeria, Tourmaline deposit near Ibadan, Nigeria Tourmaline crystals from the Ibadan gemfield In the summer of 1998 a new tourmaline deposit was discovered in a farming area 25 miles from the city of Ibadan, Nigeria, near the border with BeninA Look At African Paraiba Tourmaline Rough, 3044-ct top color African Paraiba Tourmaline Rough Nigeria During the early 2000s, a great deal of African paraiba tourmaline rough was mixed and sold with Brazilian material Paraiba tourmalines were first discovered in Paraíba, Brazil in 1989 and caused quite a sensation in the gem worldOfiki, Oyo State, Nigeria, The above list contains all mineral locality references listed on mindatorg This does not claim to be a complete list If you know of more minerals from this site, please register so you can add to our database This locality information is for reference purposes onlyTumbled Purple Tourmaline, Siberite (Brazil), Mining: Numerous mines exist whose primary purpose is finding gem-quality Tourmaline in Pegmatite Enhancements: Synthetic Tourmaline exist, but are typically used for research purposes and are not readily available to the general public.
Gemstone, Gemstones Nigeria Gemstone Miners & Marketers Association of Nigeria 01 OBJECTIVES To take care of the interests of its members and act as an advocate of policies capable of developing the gemstone business in Nigeria , Nigeria is known to have several gemstones deposit including amethyst, sapphire, ruby, topaz, ruby, tourmaline, emerald .Mineral Deposits in Nigeria, MINERAL DEPOSITS IN NIGERIA State 1 Abia Resources Glass Sand, Limestone, Salt, Shale, Ball Clay, Granite, Galena, Marble, Laterite, Bentonite, Phosphate, Kaolin .moonstone deposit in nigeria, The Maine deposits tend to produce crystals in raspberry pink-red as well as minty greens , In the late 1990s, copper-containing tourmaline was found in Nigeria SALE! Art Deco 516ct Moonstone & Diamond Ring in .Paraiba Tourmaline Gem Guide: Brazil, Mozambique and Nigeria, International Paraiba Tourmaline Gem Guide: Brazil, Mozambique and Nigeria Paraiba Tourmalines are among the rarest and most sought after gems in the worldNigerian Indicolite Tourmaline, Jan 09, 2017· Mines in NIgeria produce some of the most treasured Indicolite Tourmalines in the world visit us at nigeriangemstones.
Watermelon Tourmaline at AJS Gems, Note that the term watermelon tourmaline is mainly a trade name, , Bi-color tourmalines are found in most of the tourmaline deposits in the world, including Brazil, Nigeria, Madagascar, Afghanistan and the USA (California and Maine)Gemstones Business in Nigeria, There are numerous viable opportunities for mining the rich and extensive near surface deposits of sapphire, ruby, emerald, aquamarine, tourmaline, and the rest, which are found in Nigeria and presently under-exploitedElbaite tourmaline: The mineral Elbaite information and ,, The most important locality is Pala, San Diego Co, where the specific deposits are the Tourmaline King Mine, the Tourmaline Queen Mine, the Stewart Mine, the ,Indicolite Blue Tourmaline, Indicolite tourmaline, Santa Rosa Mine, Minas Gerais, Brazil, 81" MINERALOGY Elbaite is a member of a group of minerals known as the Tourmalines, which many consider the most colorful member of this groupMajor Gemstones Found In Nigeria And Where To Find ,, There are large deposits of Topaz in Jenta and Akwanga in Nasarawa State, Jos in Plateau State, Koi in the Nok area and in many parts of Bauchi and Oyo Stat etc Nigeria's Topaz is also used as a substitute to Diamond because of the sharp color.
Tourmalinization related to Late Proterozoic, Abstract Three types of tourmaline occurrence have been identified in the area of Bin Yauri, Nigeria, mesothermal lode-gold mineralization These are: (1) stratabound tourmalinites in pelitic metasediments, (2) tourmaline in a hydrothermal alteration assemblage within hornfelsed wall rocks, (3) tourmaline in auriferous quartz and ,Tourmaline (Mozambique), Mozambique Tourmaline - (All variations of greens, blues, reds, pinks, magentas, fuchsia and colors in between) Many of the Mozambique Tourmaline contains Copper and can be called Cuprian Tourmaline, similar to Paraiba Tourmaline in compositionTourmaline Mineral Deposits in Nigeria with their ,, The Nigerian Tourmaline is exceptional as it has both primary and secondary colours, many varieties of colours can be mined in Nigeria, unlike some countries in Africa and other parts of the world, where tourmaline deposits have a specific colour or few colours of tourmaline depositsMarch 2015 Newsletter: African Tourmaline at AJS Gems, Unlike many gemstones, deposits of tourmaline have been found all over the world, from Asia to the Americas Historically the most important deposits were in ,NIGERIA SOLID MINERAL RESOURCES AND THEIR LOCATION ,, Nigeria is endowed with large deposits of about 44 Solid minerals located in different parts of the country A Nigeria solid mineral deposit are estimated to be in billions of metric tons and is capable of creating millions of jobs and also generates more revenue ,.
Nigerian Tourmaline, Tourmaline crystals from the Ibadan gemfield In the summer of 1998 a new tourmaline deposit was discovered in a farming area 25 miles from the city of Ibadan, Nigeria, near the border with Benin Gem dealers have noted that this is one of the finest discoveries of tourmaline in many yearsTourmaline Gemstone | Nigeria Tourmaline | Mozambique ,, Nigeria Tourmaline In recent years, Nigeria has become an important source of pink and green tourmaline, blue green tourmaline, bi-colored (pink-green), tri-colored, and multi-colored tourmaline for the gem tradeList of Mineral Resources in Nigeria and Their Location ,, List of Mineral Resources in Nigeria and Their Location Below is the list of Mineral and Natural Resources in Nigeria and the States that they can be found Note this list does not consist of everything that can be found in each state just the major resourcCOPPERBEARING(PARAÍBATYPE TOURMALINE FROM ,, artisanal mining, with hand tools used to remove up to 5 m of overburden to reach the tourmaline- bearing layer The stones exhibit a wide range of colors, typically pink to purple, violet to blue .Tourmaline: The gemstone Tourmaline information and ,, Small deposits of Tourmaline of similar color to Paraiba Tourmaline were also recently found in Nigeria and Mozambique, and these are often also called "Paraiba Tourmaline" in the gem trade Other valuable forms of Tourmaline are Chrome Tourmaline , an intense-green Tourmaline found in Tanzania, Rubellite , the pink to red variety, and ..
Tourmaline Gemstone Suppliers In Nigeria: Tourmaline ,, Tourmaline deposits in Nigeria are found in the South-Western & Northern regions of the country Tourmaline mining or processing can create a great source of employment Tourmaline is a chemical element with the formula (Ca,K,Na,)Tourmaline Mineral Information, Significant sources for the mining of gem quality tourmaline are Brazil, Africa ( Madagascar, Namibia, Nigeria, Afghanistan and Tanzania), Pakistan and Sri Lanka The United States (particularly southern California and Maine), Italy, Myanmar, Nepal and the USSR are also notable sources of gem depositsTourmaline in America, Today most tourmaline comes from Brazil, Mozambique and Nigeria, with other deposits in Sri Lanka and Tanzania The cost of mining the remaining tourmaline in Maine and California has become prohibitively high, but undoubtedly more deposits of excellent material are waiting to be discoveredParaíba, For more information on paraiba tourmaline, see article on tourmaline The term "paraiba tourmaline" may now refer to gems found in Brazil, Nigeria, and Mozambique that contain copper and have the characteristic blue-green colorA Review of Nigerian Metallic Minerals for Technological ,, The deposits are abundant in Kwara, and Kogi Stat Other States where iron ore occurrences have been dis- covered include Nasarawa, Sokoto, Kaduna, Oyo, Osun..