Aventurine - Wikipedia
Background. The most common color of aventurine is green, but it may also be orange, brown, yellow, blue, or grey. Chrome-bearing fuchsite (a variety of muscovite mica) is the classic inclusion, and gives a silvery green or blue sheen.Oranges and browns are attributed to hematite or goethite.Because aventurine is a rock, its physical properties vary: its specific gravity may lie between 2.64-2 ...
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