Origin
Russia
Southern and central Africa
Color
Black, Violet, Blue, Green
Blue
Streak
-
-
For which Rashi?
Gemini, Virgo
-
Planet
Mercury
-
Element of Planets
Earth
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Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.22-3.403.13-3.26
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
1,2 prismatic.
None
Mohs Hardness
5-6-9999
2
10
👆🏻
Chemical Composition
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
Ca 5(F,Cl)(PO 4) 3Arthur Thomas , Gemstones (2009)
Luster
Vitreous
-
Pleochroism
Common trichroism: light green
-
Dispersion
0.020.04
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.668-1.7031.628-1.651
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
-
Birefringence
0.024-0.0300.002-0.008
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
Supports heart health
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Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Renewal
-
Healing
Physical healing
Physical healing
Qualities Associated
Love
Emotional Healing