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Founded in 1958, the International Mineralogical Association (IMA) is an international group of 40 national societies.The goal is to promote the science of mineralogy and to standardize the nomenclature of the 5000 plus known mineral species.
This is a list of minerals which have Wikipedia articles. ... This page was last edited on 29 November 2024, at 15:07 (UTC).
As of November 2024, the IMA - CNMNC List of Minerals lists 6,100 valid minerals, including 1,153 pre-IMA minerals (grandfathered), and 97 questionable minerals. [2] Also as of November 2024 [update] , the Mineralogical Society of America's Handbook of Mineralogy lists 5,663 species, [ 3 ] and the IMA Database of Mineral Properties/RRUFF ...
In 1986, California named benitoite as its state gemstone, a form of the mineral barium titanium silicate that is unique to the Golden State and only found in gem quality in San Benito County. [ 80 ] ^ Colorado is the only state whose geological symbols reflect the national flag's colors: red (rhodochrosite), white (yule marble), and blue ...
The classification of minerals is a process of determining to which of several groups minerals belong based on their chemical characteristics. Since the 1950s, this classification has been carried out by the International Mineralogical Association, which classifies minerals into the following broad classes: Classification of non-silicate minerals
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Some minerals made into gemstones may display a chatoyancy or cat's eye effect, these include: [1] ... This page was last edited on 14 November 2024, at 18:14 (UTC).
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