1. Clinoclore, pennantite, and chamosite are the most common varieties. 2. Chamosite may be found in occurrence with other chlorite minerals.3. Chamosite may be greenish gray or brown in color.4. Chamosite is a mineral from which elements may be extracted for commercial purpose.5. Greenalite occurs with quartz, stilpnomelane, siderite, chamosite , pyrite and minnesotaite. 6. Chamosite is a relatively uncommon mineral in nature.7. In 1820, Pierre Bertier; a mineralogist and mining engineer from Nemours, France, discovered chamosite . 8. Chamosite is named after the municipality of Chamoson, between Sion and Martigny, the canton of Valais, Switzerland.9. In 1919, Smyth showed that a green mineral in the Clinton ores was chamosite and also a primary sediment. 10. Early chamosite ( which are chlorites ) stirred some controversy after they discovered to have possessed the structure of kaolin rather than chlorite.
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