Origin
Southern and central Africa
Canada, Russia
Color
Brown, Black, Blue
Black, Green, gray
Streak
-
gray, Green
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
2.653.3-3.5
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Uneven
Cleavage
None
Perfect on [110]
Mohs Hardness
-99995-6
2
10
👆🏻
Chemical Composition
SiO 2Ulrich Henn and Claudio C.
NaNa2(Fe++4Fe+++)Si8O22(OH)2
Luster
-
Vitreous
Pleochroism
Definite: brown reddish-brownWalter Schumann
Strong: Blue-greens
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.544-1.5531.652-1.699
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
monoclinic
Birefringence
0.009-9999
0
0.296
👆🏻
Clarity
Transparent
-
Physical
Neurological
Improves digestion and metabolism
Promotes psychic abilities and spiritual growth
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Protection
Insight
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Manifestation