Origin
USA, Southern and central Africa, China, India, Italy
Australia
Color
White, Yellow
Red, White, gray, Black
Streak
-
Brownish, Black
For which Rashi?
Gemini
-
Planet
Saturn
-
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
2.44-2.62-9999
1
7.18
👆🏻
Fracture
Uneven
Conchoidal, Uneven
Cleavage
Indiscernible
{1010} Imperfect, {0001} Imperfect
Mohs Hardness
2.5-5.55-5.5
2
10
👆🏻
Chemical Composition
H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references
NiAs
Luster
Vitreous, Greasy, Silky
-
Pleochroism
-
Strong (reflected light)
Dispersion
0.010.04
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
1.560-1.571-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Hexagonal
Birefringence
0.008-0.014-9999
0
0.296
👆🏻
Clarity
Translucent
-
Physical
Neurological
Aids in mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Transformation
-
Healing
Emotional healing
-
Qualities Associated
Protection
-