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6 Cards in this Set
- Front
- Back
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Cuprite
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a. Cu20
b. Oxide c. Brown-red, purple-red with a brown red streak d. Name Origin from the Latin Cuprum meaning copper e. Isometric - hexoctahedral f. Found in oxidized zone of copper deposits in Chile and SW USA |
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Zincite
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a. ZnO
b. Oxide c. Conchoidal fracture. Cleaves perfectly, but hard to see. Rare crystals. Orange-Yellow streak d. named or its zinc composition e. Hexagonal f. Metamorphic Precambrian zinc-manganese-iron oxide-silicate orebodies in crystalline Franklin marble. (almost all in Franklin, NJ) |
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Rutile
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a. TiO2
b. Oxide c. d. named for the Latin Rutilus - an illusion to its red color. e. Tetragonal f. an accessory mineral in high pressure, high temperature igneous rocks, in placers. Found commonly in Spain |
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Uraninite
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a. UO2
b. Oxide c. d. named for its Uranium composition e. Isometric - Hexoctahedral f. Southern parts of the Canadian Precambrian Shield, Bancroft, Ontario. New Hampshire, USA. Transvaal gold-bearing conglomerates. |
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Spinel
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a. MgAl2O4
b. Oxide c. d. From latin "spina", thorn, alluding to its sharp octahedral crystals. e. Isometric f. As an accessory mineral in igneous rocks. principally basalts, peridotite, kimberlites. |
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Gold
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a. Au
b. NE - Metals c. High SG, Very hard d. e. Isometric-Hexoctahedral f. California, Colorado, Ontario, Mexico, Australia, Hungary, and South Africa (the largest producer). g. Jewelry and currency |
