Origin
Southern and central Africa
USA, Mexico, Tanzania, Brazil, Pakistan, Afghanistan, Origins: USA
Color
Red, Yellow, Brownish, White, Reddish, Greenish, orange
Green, Reddish, Brown, Yellow, Colorless, Blue, Violet, Grey
Streak
Grey, Yellow, gray
White
For which Rashi?
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Planet
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Element of Planets
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Energy
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How to Wear?
Finger
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Ring Metal
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Deities
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Not to wear with
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Powers
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Birthstone
Planetary
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Talisman
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Tenacity
Brittle
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Solubility
Soluble
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Durability
-
-
Specific Gravity
3.10-3.203.26-3.36
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
Poor to good on (001)
Good on {100}
Mohs Hardness
6-6.56.5-7
2
10
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Chemical Composition
(Mg,Fe) 5(SiO 4) 2(F,OH) 2Ulrich Henn and Claudio C.
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references