Origin
USA, Zambia, Madagascar, India, Sri Lanka, Russia, Australia, Widespread; main sources are Brazil, Uruguay, Bolivia, Argentina, East Africa, Namibia, Brazil
Southern and central Africa
Color
Violet, White, Colorless, Blue, Red, Green, Yellow, pink
Brown, White, Greenish, gray, Green, Brownish
Streak
White
gray
For which Rashi?
Pisces, Scorpio, Sagittarius
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Planet
-
-
Element of Planets
Water
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Energy
-
-
How to Wear?
Finger
-
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Ring Metal
-
-
Deities
Diana
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Not to wear with
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Powers
Love, Courage
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Birthstone
Planetary
-
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Talisman
-
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Tenacity
-
-
Solubility
insoluble in common solvents
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Durability
-
-
Specific Gravity
2.652.9-3.5
1
7.18
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Fracture
Conchoidal, ConchoidalWalter Schumann
Conchoidal
Cleavage
Indiscernible
{110} Perfect, {???} Distinct, {???} Distinct
Mohs Hardness
75.5-6
2
10
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Chemical Composition
SiO2
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)