Origin
Brazil, Kenya, Madagascar, Southern and central Africa
Brazil
Color
Brown, Black
White, Blue, Yellow, Brown, Green, Brownish, Greenish, gray
Streak
White
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
2.652.65-2.90
1
7.18
👆🏻
Fracture
Conchoidal, ConchoidalWalter Schumann
-
Cleavage
{0110} Indistinct
{001} Perfect
Mohs Hardness
7-9999
2
10
👆🏻
Chemical Composition
SiO2
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Pearly
Pleochroism
None
-
Dispersion
0.010.05
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Translucent
Refractive Index
1.544-1.5531.534-1.601
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Hexagonal
-
Birefringence
0.0090.050
0
0.296
👆🏻
Clarity
Opaque
Translucent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Grounding
-
Healing
Physical healing
-
Qualities Associated
Grounding
Emotional Healing