Origin
Burma, Sri Lanka, India, Madagascar, Kenya, Tanzania, Thailand, Cambodia, China, Australia, USA
Southern and central Africa
Color
Colorless, Yellow, Green, Violet, White, Blue, Red, pink
Colorless, Brown, Greenish, gray
Streak
-
White
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
3.95-4.032.62-2.67
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
None, but may exhibit parting
From the Greek, oligos and kasein, little cleavage.
Mohs Hardness
96-6.5
2
10
👆🏻
Chemical Composition
Al 2 O 3
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)