Identifying rocks for science ;)

Muscovite

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Terms in this set (25)

This mineral has cleavage and a glassy luster. The hardness is 2-2.5, and the streak is colorless, mineral

Image: Muscovite

This mineral has a glassy or resinous luster. The hardness is 3 and the streak is white. It has cleavage. Mineral

Image: Calcite

Fool's gold. It has a metallic luster and fracture. Hardness is 6-6.5 and the streak is yellow. Mineral

Image: Pyrite

This mineral has a metallic luster and a dark gray streak. It has cleavage, and a hardness of 2.5-3. Mineral

Image: Galena

The hardness of this mineral is 3.5-4 and it has a greasy luster. It has fracture and the streak is white to yellow-brown, mineral

Image: Sphalerite

It has fracture and is magnetic. The hardness is 5.5-6.5, and the luster is metallic. It has a black streak. Mineral

Image: magnetite

This has a hardness of 2-2.5 and the streak is white. It has a glassy luster and cleavage. Mineral

Image: Halite

You can write with this mineral. It has a greasy luster and feel. The hardness is 1-2 and it is fracture. Mineral

Image: Graphite

Greasy luster with fracture. It has the lowest hardness of 1, and a streak of white, Mineral

Image: Talc

It has a glassy luster and a hardness of 4. The streak is white and it is cleavage, and it can be green purple or white, Mineral

Image: Flourite

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