Origin
China, Canada
Southern and central Africa
Color
Green, Yellow, Brown, White, gray, Black
Brown, Black, Blue
Streak
-
-
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.90-3.102.65
1
7.18
👆🏻
Fracture
Splintery, Granular
ConchoidalWalter Schumann
Cleavage
None
None
Mohs Hardness
6-6.5-9999
2
10
👆🏻
Chemical Composition
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
SiO 2Ulrich Henn and Claudio C.
Luster
Vitreous, Greasy
-
Pleochroism
None
Definite: brown reddish-brownWalter Schumann
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Translucent
Transparent, Translucent
Refractive Index
1.600-1.6271.544-1.553
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
-
Birefringence
0.0270.009
0
0.296
👆🏻
Clarity
Translucent
Transparent
Physical
Neurological
Aids in mental clarity and focus
Improves digestion and metabolism
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Emotional Balance
Protection
Healing
Physical healing
Emotional healing
Qualities Associated
Healing
Protection