Origin
Brazil, Kenya, Madagascar, Southern and central Africa
Brazil
Color
Brown, Black
Blue, Green, Colorless, White
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
2.652.81
1
7.18
👆🏻
Fracture
Conchoidal, ConchoidalWalter Schumann
Conchoidal
Cleavage
{0110} Indistinct
{001} Perfect
Mohs Hardness
74.5-5
2
10
👆🏻
Chemical Composition
SiO2
NaAl 3(PO 4) 2(OH) 4 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
None
-
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Transparent
Refractive Index
1.544-1.5531.590-1.599
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Hexagonal
-
Birefringence
0.0090.009
0
0.296
👆🏻
Clarity
Opaque
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Grounding
Calmness
Healing
Physical healing
Emotional healing
Qualities Associated
Grounding
Balance