Origin
Southern and central Africa
Canada, Brazil, Madagascar, Mozambique, Russia, India, Pakistan, China, Sri Lanka, Origins: Canada, Namibia
Color
Brown, Black, Blue
Green, Blue, Yellow, Colorless, pink
Streak
-
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
2.652.60-2.90
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Uneven, Conchoidal, Irregular
Cleavage
None
Imperfect on {0001}
Mohs Hardness
-99997.5-8
2
10
👆🏻
Chemical Composition
SiO 2Ulrich Henn and Claudio C.
Be3Al2Si6O18
Luster
-
Vitreous, Resinous
Pleochroism
Definite: brown reddish-brownWalter Schumann
Weak to distinct
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Transparent to opaque
Refractive Index
1.544-1.5531.560-1.604
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Hexagonal
Birefringence
0.0090.0040-0.0070
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Improves digestion and metabolism
-
Cardiovascular
-
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Protection
Communication
Healing
Emotional healing
Physical healing
Qualities Associated
Protection
Courage