Origin
Burma, Sri Lanka, India, Madagascar, Kenya, Tanzania, Thailand, Cambodia, China, Australia, USA
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
Color
Colorless, Yellow, Green, Violet, White, Blue, Red, pink
Brown
Streak
-
Brownish, Red, Black
For which Rashi?
Pisces, Taurus, Gemini, Libra
-
Planet
Saturn
-
Element of Planets
Water
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Apollo
-
Not to wear with
-
-
Powers
Psychic Power
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
insoluble
-
Durability
-
-
Specific Gravity
3.95-4.035.2
1
7.18
👆🏻
Fracture
Uneven
Subconchoidal, Conchoidal
Cleavage
None, but may exhibit parting
Good in one direction
Mohs Hardness
96-6.5
2
10
👆🏻
Chemical Composition
Al 2 O 3
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references