Origin
Burma, Sri Lanka, India, Madagascar, Kenya, Tanzania, Thailand, Cambodia, China, Australia, USA
Brazil, Southern and central Africa
Color
Colorless, Yellow, Green, Violet, White, Blue, Red, pink
Blue, Green, Black
Streak
-
White
For which Rashi?
Pisces, Taurus, Gemini, Libra
Gemini, Sagittarius
Planet
Saturn
Jupiter
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
3.95-4.033.04-3.17
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
None, but may exhibit parting
{001} Indistinct, {???} Indistinct
Mohs Hardness
95.5
2
10
👆🏻
Chemical Composition
Al 2 O 3
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
Luster
Vitreous, Adamantine
-
Pleochroism
Strong
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to opaque
Transparent, Translucent
Refractive Index
1.762-1.7881.604-1.646
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
monoclinic
Birefringence
0.008-0.0090.031-0.036
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Enhances mental clarity and focus
Balances digestive system and reduces bloating
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Intuition
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Wisdom
Psychic Abilities