Origin
China, Canada
USA
Color
Green, Yellow, Brown, White, gray, Black
Yellow, Red, Green, Colorless, orange
Streak
-
Yellow, yellowish orange
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
2.90-3.105.50-5.90
1
7.18
👆🏻
Fracture
Splintery, Granular
Conchoidal
Cleavage
None
On {10 1 0}, perfect; parting on {000 1 }
Mohs Hardness
6-6.54
2
10
👆🏻
Chemical Composition
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Greasy
Subadamantine, Resinous
Pleochroism
None
Very weak
Dispersion
0.010.16
0.005
1
👆🏻
Transparency
Translucent
TransparentRobert C. Kammerling
Refractive Index
1.600-1.6272.013-2.029
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Hexagonal
Birefringence
0.0270.016
0
0.296
👆🏻
Clarity
Translucent
TransparentRobert C. Kammerling
Physical
Neurological
Aids in mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Emotional Balance
Passion
Healing
Physical healing
-
Qualities Associated
Healing
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