Origin
USA, Mexico, Brazil, Switzerland, Sri Lanka, Burma, Madagascar, Origins: USA, Germany, Japan
Southern and central Africa
Color
Yellow, Brown, Colorless, White, gray, Brownish
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
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.97-3.033.26-3.41
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Fibrous, ConchoidalWalter Schumann
Cleavage
{001} Poor
Distinct on {100}, poor on {110}; parting on {001}
Mohs Hardness
77-8.5
2
10
👆🏻
Chemical Composition
CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
AlAl6O3BSi3O18
Luster
Vitreous, Greasy
Vitreous
Pleochroism
Weak: pale yellow yellow
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
1.627-1.6391.669-1.723
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.0060.011-0.037
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Spiritual Awareness
Patience
Healing
Emotional healing
Emotional healing
Qualities Associated
Spiritual Awakening
Patience