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Item Number:
(470025-678) |
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Spinel group; iron-black, massive; natural magnet. |
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Item Number:
(470025-608) |
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White, fibrous, silky luster. |
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Item Number:
(470025-744) |
REVIEWS (1)
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Pyroxene group; gray-green, coarse crystalline. |
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Item Number:
(470015-448) |
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Deep blue, massive, with nepheline; key feldspathoid. |
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Item Number:
(470025-772) |
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White, massive, coarse crystalline vein, Mohs’ hardness of 7. |
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Item Number:
(470025-780) |
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Clear, euhedral points and sections. |
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Item Number:
(470025-164) |
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Perfect for Independent Study or Class Tests. |
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Item Number:
(470025-824) |
REVIEWS (1)
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Topaz (Crystals), Student Specimens |
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Item Number:
(470025-362) |
REVIEWS (0)
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Substantial Set of Economically Important Minerals |
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Item Number:
(470025-152) |
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Examples of the More Important Minerals Found in Rocks |
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Item Number:
(470025-736) |
REVIEWS (0)
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Shiny crystal clusters and crystalline groups. |
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Item Number:
(470025-686) |
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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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Fragments in natural condition, many showing concave forms and fusion crusts. Sizes are approximate. |
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Item Number:
(470025-258) |
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Beginner’s Collection Illustrates Important Physical Properties |
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Item Number:
(470025-290) |
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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) |
REVIEWS (0)
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Examples of Different Forms of Breakage in Minerals |
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