Aventurine is a form of quartz that has inclusions of mica, hematite, and goethite, with the mica inclusions being the most common, giving it a silvery green sheen. Other colors of aventurine include colorless, yellow, orange, violet, blue, and brown. The most common color variant by far, is green. Superficially, polished aventurine may look a bit similar to other minerals, like jade, or green calcite. Being derived from quartz, aventurine has a hardness of 6.5 to 7 on the Mohs scale, which is considered as very hard. The main locations where it is mined are India, Brazil, China, Germany, and
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