Origin
Southern and central Africa
Brazil, Madagascar, Zimbabwe, Russia, Sri Lanka, India, Burma, Origins: Brazil
Color
Blue, Violet, Brown, White, Greenish, pink
Greenish, Green, Brownish, Red, Blue, Brown, gray
Streak
White
White
For which Rashi?
Leo, Sagittarius
-
Planet
Saturn
-
Element of Planets
Water
Earth, Water
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Isis
-
Not to wear with
-
-
Powers
Healing
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.26-3.413.69-3.81
1
7.18
👆🏻
Fracture
Fibrous, ConchoidalWalter Schumann
Uneven, Conchoidal to uneven, ConchoidalWalter Schumann
Cleavage
Distinct on {100}, poor on {110}; parting on {001}
Distinct on {110}, imperfect on {010}, poor on {001}
Mohs Hardness
7-8.58.5
2
10
👆🏻
Chemical Composition
AlAl6O3BSi3O18
BeAl 2 O 4
Luster
Vitreous
Vitreous
Pleochroism
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
X = red; Y = yellow-orange; Z = emerald-green
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Translucent, Translucent to opaque
Transparent, Translucent, Transparent to translucent
Refractive Index
1.669-1.7231.746-1.763
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.011-0.0370.007-0.013
0
0.296
👆🏻
Clarity
Translucent
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Patience
Transformation
Healing
Emotional healing
Physical healing
Qualities Associated
Patience
Transformation