Origin
Southern and central Africa
Czech
Color
Brown, Black, Blue
Brownish, Black, Colorless, White, gray, Blue, Green
Streak
-
White
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
-
insoluble
Durability
-
-
Specific Gravity
2.656.46-6.57
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
None
Good [110] and [021]
Mohs Hardness
-99993-3.5
2
10
👆🏻
Chemical Composition
SiO 2Ulrich Henn and Claudio C.
PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Adamantine, Vitreous, Resinous
Pleochroism
Definite: brown reddish-brownWalter Schumann
-
Dispersion
0.010.06
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Translucent
Refractive Index
1.544-1.5531.803-2.078
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Orthorhombic
Birefringence
0.0090.273
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Improves digestion and metabolism
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Protection
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Clarity