Metallic Minerals

Metallic Minerals - Figure 1.6 Pyrite. A brassy-yellow...

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Figure 1.3 Sphalerite. An ore of zinc with six directions of cleavage and a white to yellow-brown streak. (Photo by E. J. Tarbuck) Figyre 1.5 Galena. An ore of lead with a high specific gravity, metallic luster, and three directions of cleavage at 90°, producing cubic crystals. (Photo by E. J. Tarbuck) Figure 1.4 Limonite. An ore of iron, with an earthy luster and "rusty" appearance. When broken, the mineral fractures. (Photo by E. J. Tarbuck)
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Unformatted text preview: Figure 1.6 Pyrite. A brassy-yellow mineral with a metallic luster that is commonly known as "fool's gold." Although the mineral often occurs as cubic crystals with striations (illustrated), it fractures when broken (not illustrated). (Photo by E. J. Tarbuck)...
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Metallic Minerals - Figure 1.6 Pyrite. A brassy-yellow...

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