Hematite

Hematite, an iron oxide, derives its name from the Greek word for blood, since it is red when sliced thinly or powdered. Hematite is always opaque and is typically a blackish grey. You will find it cut as cabochons or faceted, and engravings are particularly popular. Hematite was a traditional material for signet rings. When highly polished it can sometimes look like silver.

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