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Calcite, Onyx
Calcite Onyx is just calcite with varying bands of different impurities. Onyx, and Calcite are different minerals, Calcite Onyx is a variety of Calcite.
Locality
Utah
Streak
White
Hardness
Formula
3
CaCO3
Habit
otryoidal, concretionary, druse, globular, granular, massive, rhombohedral, scalenohedral, stalactitic
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