Origin
Canada, USA, Mexico, Madagascar, Australia, Finland, India, Russia
USA, Mexico, Tanzania, Brazil, Pakistan, Afghanistan, Origins: USA
Color
Violet, Colorless, gray, White, Green
Green, Reddish, Brown, Yellow, Colorless, Blue, Violet, Grey
Streak
White
White
For which Rashi?
Aquarius
-
Planet
-
-
Element of Planets
Water
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Isis
-
Not to wear with
-
-
Powers
Protection, Psychic Power
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.69-2.723.26-3.36
1
7.18
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Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
Good on {100}
Mohs Hardness
6-6.56.5-7
2
10
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Chemical Composition
(Na,Ca)1-2Si3-2O8
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references