"VWR"
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Rock Forming Mineral Collection Series
Excellet series for college mineralogy and petrology courses.
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Ward's® Science Essentials® Dolomite
Clearance
White to gray, medium to coarse-grained, crystalline.
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Pyrite Crystal Group
Choice intergrown crystal groups, many with striated pyritohedral crystal faces. Perfect for classroom study. Average size: 1" x 1". Peru.
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