Origin
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia
Canada, USA, Mexico, Madagascar, Australia, Finland, India, Russia
Color
Green, Brown, Colorless, Greenish, Yellow
Violet, Colorless, gray, White, Green
Streak
White
White
For which Rashi?
-
Aquarius
Planet
-
-
Element of Planets
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Water
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
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Isis
Not to wear with
-
-
Powers
-
Protection, Psychic Power
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.25-3.452.69-2.72
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven, Conchoidal
Cleavage
Good on {110}
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
Mohs Hardness
6.56-6.5
2
10
👆🏻
Chemical Composition
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
(Na,Ca)1-2Si3-2O8