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Vlasovite
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Nephrite
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Vlasovite
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Summary
Astrology
Physical Properties
Optical Properties
Benefits
All
Physical Properties
Tenacity
Solubility
Durability
Specific Gravity
Fracture
Cleavage
Mohs Hardness
Chemical Composition
Brittle
Nearly insoluble in HCl and HNO
3
-
2.97
Conchoidal
Distinct on {010}
6
-
-
-
-
2.90-3.10
Splintery, Granular
None
6-6.5
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
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Brown Gemstones
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Iddingsite
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Radiolarite
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