"WardsSci000444"
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Ward's Science Essentials® Hornblende
Hornblende is a dark amphibole group mineral, perfect for teaching Bowen's reaction series.
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Ward's Science Essentials® Soapstone
Soapstone is a talc-schist primarily composed of talc.
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Ward's Science Essentials® Fluorite
Fluorite is Green Halide mineral with moh's hardness 4.
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Ward's Science Essentials® Talc
Talc is the softest know mineral with a moh's hardness of 1, and composed of clay.
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