Origin
Sri Lanka, India, Brazil
Southern and central Africa
Color
Green, Brown, Colorless, gray, Yellow
Blue, Violet, Brown, White, Greenish, pink
Streak
Brownish, 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
3.55-3.733.26-3.41
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Fibrous, ConchoidalWalter Schumann
Cleavage
none
Distinct on {100}, poor on {110}; parting on {001}
Mohs Hardness
7-7.57-8.5
2
10
👆🏻
Chemical Composition
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
AlAl6O3BSi3O18
Luster
Greasy, Vitreous
Vitreous
Pleochroism
None
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
Translucent, Translucent to opaque
Refractive Index
1.730-1.7601.669-1.723
1
3.25
👆🏻
Optic Character
-
-
Crystal System
cubic
Orthorhombic
Birefringence
0.0200.011-0.037
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
Helps in digestion and alleviates indigestion
-
Digestive
-
-
Psychology
Abundance
Patience
Healing
Physical healing
Emotional healing
Qualities Associated
Abundance
Patience