"WardsSci000764"

Conglomerate is a sedimentary rock made up rounded quartz pebbles.

Muscovite is a mica mineral cut to demonstrate basal cleavage.

Phyllite is a light-gray foliated rock formed from metamorphosed slate.

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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Hornblende is a dark amphibole group mineral, perfect for teaching Bowen's reaction series.

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Massive white quartz with a moh's hardness 7.

Red clastic rock composed of sand sized particles and hematite.

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Talc is the softest know mineral with a moh's hardness of 1, and composed of clay.

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Substantial Set of Economically Important Minerals