Galena (hand specimen)
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Description / Synopsis
Common Forms/Occurrences: In veins associated with other sulfide minerals Useful Identification Test: Decomposed by H2SO4 and by dilute HNO3 Chemical formula: PbS Crystal System: Forms cubes and octahedrons Colour: Silvery gray Streak: Gray to dark gray Lustre: Metallic (M) Cleavage: Good in 3 directions, so breaks into cubes Fracture: Subconchoidal or even; Brittle Hardness: 2.5 Hardness Search: two Specific Gravity: 7.5 - 7.6 |
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rm0018
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Use and Reproduction
Subject to the Copyright Act
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au_765.jpg2.71 MB
Cite this
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English
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Name |
Galena (hand specimen)
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image/jpeg
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2844014
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3424px
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2283px
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