User:Crocoite
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Crocoite was at one time a main ore of chromium. But it is now too rare to be used.
-Properties-
- Crocoite is an unusual and beautiful redish-orange mineral specimen.
- Crocoite is well known for its distinctive orange-red color and it's high density and luster are the result of its lead content.
- Crocoite has an orange-yellow streak and a hardness 2.5-3.