Origin
Brazil, USA, Canada, Madagascar, Sri Lanka, India, Burma
Southern and central Africa
Color
Blue, Violet, Yellow, Grey
Red, Brown, Black
Streak
-
Brownish, Red
For which Rashi?
Libra, Sagittarius, Taurus
-
Planet
Jupiter
-
Element of Planets
Water
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
2.6-2.75.85-6.15
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
3,1
Fair in four directions forming octahedrons
Mohs Hardness
7-7.53.5-4
2
10
👆🏻
Chemical Composition
Mg2Al4Si5O18
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Adamantine
Pleochroism
-
visible
Dispersion
0.020.05
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
TranslucentWalter Schumann
Refractive Index
1.52-1.562.849
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
cubic
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
Transparent to translucent
TranslucentWalter Schumann
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Excellent
Poor
Reproductive
-
-
Digestive
Supports digestive health
-
Psychology
Intuition
Vitality
Healing
Emotional healing
Emotional healing
Qualities Associated
Intuition
Vitality