Origin
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
USA, San Benito Country, USA. Very rare collectors stone. Found only in San Benito County, California
Color
Blue, Violet, Greenish, Brown, Colorless, Yellow, gray
Violet, Blue, Colorless, pink, White
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
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
Insoluble: HCl
Durability
-
-
Specific Gravity
2.57-2.663.61-3.68
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Conchoidal
Cleavage
Fair on {100}, poor on {001} and {010}
[10 1 1] poor
Mohs Hardness
7-7.56-6.5
2
10
👆🏻
Chemical Composition
Mg2Al4Si5O18
BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references