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Item Number:
(470025-594) |
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REVIEWS (1)
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| Black, high grade, foliated, greasy feel. |
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Item Number:
(470025-658) |
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REVIEWS (0)
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| Feldspar group; good cleavages of pure soda lime feldspar; most show twinning and labradorescence. |
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Item Number:
(470025-152) |
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REVIEWS (0)
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| Examples of the More Important Minerals Found in Rocks |
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Item Number:
(470025-736) |
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REVIEWS (0)
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| Shiny crystal clusters and crystalline groups. |
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Item Number:
(470025-686) |
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REVIEWS (0)
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| Feldspar group; pink cleavages showing perthitic texture, common potassium feldspar, Mohs’ hardness of 6. |
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Item Number:
(470226-698) |
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REVIEWS (0)
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| Fragments in natural condition, many showing concave forms and fusion crusts. Sizes are approximate. |
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Item Number:
(470025-828) |
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REVIEWS (1)
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| Cleaned, pure, bright, metallic native copper. |
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Item Number:
(470025-614) |
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REVIEWS (0)
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| Clear, pure cleavages, Mohs’ hardness of 2. |
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Item Number:
(470025-258) |
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REVIEWS (0)
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| Beginner’s Collection Illustrates Important Physical Properties |
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Item Number:
(470025-290) |
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REVIEWS (0)
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| Specimens To Supplement the Most Widely-Used College Lab Manual for Physical Geology |
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Item Number:
(470025-338) |
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REVIEWS (0)
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| Examples of Different Forms of Breakage in Minerals |
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Item Number:
(470025-758) |
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REVIEWS (0)
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| Light gray, compact, opaque, microcrystalline. |
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Item Number:
(470025-164) |
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REVIEWS (0)
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| Perfect for Independent Study or Class Tests. |
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Item Number:
(470025-824) |
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REVIEWS (1)
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| Topaz (Crystals), Student Specimens |
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Item Number:
(470025-362) |
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REVIEWS (0)
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| Substantial Set of Economically Important Minerals |
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Item Number:
(470014-630) |
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REVIEWS (0)
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| Small 1–1.5 mm crystal, octahedrans or cubes, Mohs” hardness of 10. |
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