Origin
Southern and central Africa
Russia
Color
Black, Brownish, Brown
Violet, Brown
Streak
Brown
White
For which Rashi?
-
Sagittarius, Scorpio
Planet
-
Jupiter, Neptune
Element of Planets
-
Water, Earth, Air
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Minerva
Not to wear with
-
-
Powers
-
Healing, Love, Protection
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.5-4.82.54-2.78
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
None, parting may develop along {111}
Good in three directions
Mohs Hardness
5.55-6
2
10
👆🏻
Chemical Composition
Fe++Cr2O4
K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Pearly, Chatoyant
Pleochroism
none.
-
Dispersion
0.040.02
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
2.08-2.161.545-1.560
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Triclinic
Birefringence
-99990.009
0
0.296
👆🏻
Clarity
-
Translucent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Poor
-
Reproductive
-
-
Digestive
-
-
Psychology
Vitality
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Transformation