Origin
Burma, Sri Lanka, India, Madagascar, Kenya, Tanzania, Thailand, Cambodia, China, Australia, USA
Turkey
Color
Colorless, Yellow, Green, Violet, White, Blue, Red, pink
Colorless, White, Yellow, Greenish, gray, Brown
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
-
Very brittle
Solubility
insoluble
insoluble
Durability
-
-
Specific Gravity
3.95-4.033.30-3.40
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
None, but may exhibit parting
{010} perfect, {110} distinct, {100} in traces
Mohs Hardness
96.5-7
2
10
👆🏻
Chemical Composition
Al 2 O 3
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references