"WardsSci000444"
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Ward's® Quartz (Chert)
Light gray, compact, hard, opaque, microcrystalline silica mineral.
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Ward's® Topaz (Crystals)
Gemmy, sherry-colored crystals and sections approximately 3/8– 1/2"
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Ward's Science Essentials® Calcite
Clearance
Calcite is a translucent calcium carbonate mineral, mohs hardness 3.
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Ward's Science Essentials® Selenite
Clearance
Selenite is a Clear gypsum mineral with a moh's hardness of 2.
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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® Talc
Talc is the softest know mineral with a moh's hardness of 1, and composed of clay.
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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® Hornblende
Hornblende is a dark amphibole group mineral, perfect for teaching Bowen's reaction series.
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Ward's Science Essentials® Milky Quartz
Clearance
Massive white quartz with a moh's hardness 7.
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Ward's® Goethite
Iron oxide-hydroxide mineral; reddish brown to black color; crystal habit ranges from massive to acicular.
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