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GALENA #4 Go on to: #1 | #2 | #3 | #4 Galena 
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Physical Properties
PbS
Cleavage: cubic; perfect in 3 directions at 90o; Shape: cubes, or cube combinations sometimes massive; Color: silver gray to dark lead gray; Streak: dark lead-gray; Specific gravity: 7.4 - 7.6 - heavy ! Luster: metallic, shiny to dull Hardness = 2.5; |
Description
Here better than on the other specimens we can see the multiple parallel cubic cleavages passing through the specimen.
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