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20 Results
Ward's Science Essentials® Milky Quartz
Massive white quartz with a moh's hardness 7.
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Ward's Science Essentials® Hornblende Schist
Metamorphosed rock showing foliation and rich in hornblende.
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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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