"WardsSci000764"

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

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

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

Scoria is a dark-colored rock formed from lava with a high gas content.