"Middle School - Earth Science"

A favorite of collectors for over 50 years.

Gray metamorphosed shale showing "slaty cleavage".

Chert is a microcrystalline, hard, silica mineral.

Muscovite is a mica mineral cut to demonstrate basal cleavage.

Pink Gneiss is foliated pink and black bands of biotite.

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Kaolin is a white clay mineral that has vast industrial uses

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Metamorphosed rock showing foliation and rich in hornblende.

Hemalite is a Massive, dense red to gray, classic example of iron ore.

A textbook example of pure crystalline carbon which is extermely soft.

Quartzite is hard, non-foliated rock formed from metamorphosed quartz sandstones.

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