Origin
Brazil, Kenya, Madagascar, Southern and central Africa
China, Pakistan
Color
Brown, Black
Red, Brown, Black, pink, Brownish
Streak
White
gray
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
2.653.85-3.94
1
7.18
👆🏻
Fracture
Conchoidal, ConchoidalWalter Schumann
Conchoidal, Uneven
Cleavage
{0110} Indistinct
{010} Good, {100} Distinct
Mohs Hardness
75-5.5
2
10
👆🏻
Chemical Composition
SiO2
(Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Vitreous
Pleochroism
None
DistinctArthur Thomas
Dispersion
0.010.04
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Translucent
Refractive Index
1.544-1.5531.643-1.703
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Hexagonal
-
Birefringence
0.0090.020
0
0.296
👆🏻
Clarity
Opaque
Translucent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Grounding
-
Healing
Physical healing
Emotional healing
Qualities Associated
Grounding
Creativity