Origin
Southern and central Africa
USA
Color
Black, Brownish, Brown
Green, Colorless, Greenish, White
Streak
Brown
Greenish, 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
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.5-4.83.1-3.2
1
7.18
👆🏻
Fracture
Uneven
-
Cleavage
None, parting may develop along {111}
Vitreous, pearly on cleavage
Mohs Hardness
5.53-4
2
10
👆🏻
Chemical Composition
Fe++Cr2O4
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Vitreous, Pearly
Pleochroism
none.
-
Dispersion
0.040.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
2.08-2.161.653-1.693
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
monoclinic
Birefringence
-99990.038-0.044
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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Aids in mental clarity and focus
Cardiovascular
-
-
Respiratory
Poor
Good
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Vitality
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Emotional Healing