Origin
USA, Mexico, Tanzania, Brazil, Pakistan, Afghanistan, Origins: USA
Canada, Southern and central Africa
Color
Green, Reddish, Brown, Yellow, Colorless, Blue, Violet, Grey
Colorless, White, gray, pink, Green
Streak
White
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.26-3.362.74-2.90
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Splintery
Cleavage
Good on {100}
Perfect on {100} and {001}
Mohs Hardness
6.5-74.5-5
2
10
👆🏻
Chemical Composition
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.