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Tourmaline
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Star diopside
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Tourmaline
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Tourmaline
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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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-
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2.85-3.35
Uneven, Conchoidal
Indistinct
7-7.5
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
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-
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-9999
-
Perfect
-9999
CaMgSi2O6
Compare Semi Precious Gemstones
Tourmaline Vs Verdelite
Tourmaline Vs Viridine
Tourmaline Vs Watermelon Tourmaline
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