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Tantalite
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Blue quartz
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Tantalite
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Blue quartz
Tantalite
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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
-
-
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5.2
Subconchoidal, Conchoidal
Good in one direction
6-6.5
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
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-
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-9999
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None
-9999
SiO2 with dumortierite
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Tantalite Vs Mottramite
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Brown Gemstones
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Blue quartz Vs Radiolarite
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