Origin
Sri Lanka
Southern and central Africa
Color
Green, Red, Blue, Brown, pink
Blue, Violet, Brown, White, Greenish, pink
Streak
White
White
For which Rashi?
-
Leo, Sagittarius
Planet
-
Saturn
Element of Planets
-
Water
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Isis
Not to wear with
-
-
Powers
-
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.023.26-3.41
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Fibrous, ConchoidalWalter Schumann
Cleavage
{0001} Poor
Distinct on {100}, poor on {110}; parting on {001}
Mohs Hardness
-99997-8.5
2
10
👆🏻
Chemical Composition
Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
AlAl6O3BSi3O18
Luster
Vitreous
Vitreous
Pleochroism
Strong: dark brown light brownAnthony et al
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Transparent
Translucent, Translucent to opaque
Refractive Index
-99991.669-1.723
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Orthorhombic
Birefringence
-99990.011-0.037
0
0.296
👆🏻
Clarity
Transparent
Translucent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Excellent
Good
Reproductive
-
-
Digestive
Supports digestive health
-
Psychology
-
Patience
Healing
Emotional healing
Emotional healing
Qualities Associated
Creativity
Patience