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Geography Categories
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| Definition Of: |
Derbylite
General Information: Chemical Formula:(Fe+++,Fe++,Ti)7Sb+++O13(OH) Name Origin:Named after the american geologist Orville A. Derby Physical Properties: Cleavage:None Color:pitch black or black. Density:4.53 Diaphaniety:Opaque Hardness:5 - Apatite Luster:Resinous Streak:brownish black More details...
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Mineralogy Dictionary INDEX:
List of Terms: Terms beginning with "A", Page 1 |
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Page Number:
1 2 3 4 A: Page 1 of 4.
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