Igneous

Igneous rocks form when molten rock (magma or lava) cools and solidifies. They are classified as either intrusive (plutonic) or extrusive (volcanic) depending on where they formed.

2 specimens starting with "C" (of 34 total)

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All A B C DEF G HIJK L MNOPQR S TUVWXYZ0-9

Carbonatite

Hardness: 3 - 4

No image

Coppernite

Hardness: 5.5 - 6

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