Origin
USA, Mexico, Brazil, Switzerland, Sri Lanka, Burma, Madagascar, Origins: USA, Germany, Japan
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Color
Yellow, Brown, Colorless, White, gray, Brownish
White, Colorless, Blue, Red, Green, Yellow, Violet
Streak
White
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For which Rashi?
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Libra
Planet
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Venus, Mars
Element of Planets
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Earth
Energy
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How to Wear?
Finger
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Ring Metal
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Deities
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Venus, Mars
Not to wear with
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Powers
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Love, Courage
Birthstone
Planetary
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Talisman
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Tenacity
Brittle
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Solubility
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Durability
-
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Specific Gravity
2.97-3.032.85-3.35
1
7.18
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Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Conchoidal
Cleavage
{001} Poor
3,2
Mohs Hardness
77-7.5
2
10
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Chemical Composition
CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Tourmaline is a series of several different minerals with unique chemical formulas.