"VWR"
8 Results
Ward's® Mineral Research Grade Collection
Ward's® highest quality and purest mineral offerings.
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Ward's Science Essentials® Graphite
A textbook example of pure crystalline carbon which is extermely soft.
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Ward's Science Essentials® Selenite
Selenite is a Clear gypsum mineral with a moh's hardness of 2.
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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® Gypsum
Massive sedimentary gypsum with a moh's hardness 2..
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Ward's® Science Essentials® Dolomite
White to gray, medium to coarse-grained, crystalline.
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