Origin
-
Southern and central Africa
Color
Brownish, Black
Colorless, Blue, Brown, Green, gray
Streak
Brown
White
For which Rashi?
-
Gemini
Planet
-
Venus, Neptune
Element of Planets
-
Water, Air
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.263.90-4.00
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
None
Perfect on {001}, good on {210}, poor on {010}
Mohs Hardness
-99993-3.5
2
10
👆🏻
Chemical Composition
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Resinous
Vitreous, Pearly
Pleochroism
Strong: yellow-brown
Weakly trichroiC
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
-99991.619-1.635
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Orthorhombic
Birefringence
-99990.004-0.012
0
0.296
👆🏻
Clarity
Translucent
-
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
-
Peace
Healing
-
Emotional healing
Qualities Associated
Protection
Divine Guidance