Origin
Southern and central Africa
Brazil, Kenya, Madagascar, Southern and central Africa
Color
Brown, Black, Blue
Brown, Black
Streak
-
White
For which Rashi?
-
Capricorn, Sagittarius
Planet
-
Saturn
Element of Planets
-
Earth
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Nerthus
Not to wear with
-
-
Powers
-
Protection
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
2.652.65
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Conchoidal, ConchoidalWalter Schumann
Cleavage
None
{0110} Indistinct
Mohs Hardness
-99997
2
10
👆🏻
Chemical Composition
SiO 2Ulrich Henn and Claudio C.
SiO2
Luster
-
Vitreous
Pleochroism
Definite: brown reddish-brownWalter Schumann
None
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to translucent
Refractive Index
1.544-1.5531.544-1.553
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Hexagonal
Birefringence
0.0090.009
0
0.296
👆🏻
Clarity
Transparent
Opaque
Physical
Neurological
Improves digestion and metabolism
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Protection
Grounding
Healing
Emotional healing
Physical healing
Qualities Associated
Protection
Grounding