Origin
USA, Mexico, Tanzania, Brazil, Pakistan, Afghanistan, Origins: USA
USA, San Benito Country, USA. Very rare collectors stone. Found only in San Benito County, California
Color
Green, Reddish, Brown, Yellow, Colorless, Blue, Violet, Grey
Violet, Blue, Colorless, pink, White
Streak
White
White
For which Rashi?
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Planet
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-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
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Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
Insoluble: HCl
Durability
-
-
Specific Gravity
3.26-3.363.61-3.68
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
Good on {100}
[10 1 1] poor
Mohs Hardness
6.5-76-6.5
2
10
👆🏻
Chemical Composition
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references