Origin
Southern and central Africa
Burma, Sri Lanka, India, Madagascar, Kenya, Tanzania, Thailand, Cambodia, China, Australia, USA
Color
Brown, White, Greenish, gray, Green, Brownish
Colorless, Yellow, Green, Violet, White, Blue, Red, pink
Streak
gray
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For which Rashi?
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Pisces, Taurus, Gemini, Libra
Planet
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Saturn
Element of Planets
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Water
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
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Apollo
Not to wear with
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-
Powers
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Psychic Power
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
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insoluble
Durability
-
-
Specific Gravity
2.9-3.53.95-4.03
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
{110} Perfect, {???} Distinct, {???} Distinct
None, but may exhibit parting
Mohs Hardness
5.5-69
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Al 2 O 3