Origin
China, Canada
Sri Lanka
Color
Green, Yellow, Brown, White, gray, Black
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray
Streak
-
White, Brownish
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
-
insoluble
Durability
-
-
Specific Gravity
2.90-3.106.86-7.03
1
7.18
👆🏻
Fracture
Splintery, Granular
Subconchoidal, Uneven, Conchoidal, Irregular
Cleavage
None
{100} imperfect, {110} indistinct; partings on {111} or {011}
Mohs Hardness
6-6.56-7
2
10
👆🏻
Chemical Composition
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Greasy
Adamantine, Greasy
Pleochroism
None
Pleochroic haloes have been observed. Dichroic in yellow
Dispersion
0.010.07
0.005
1
👆🏻
Transparency
Translucent
Transparent, Translucent
Refractive Index
1.600-1.6271.990-2.105
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
tetragonal
Birefringence
0.0270.096-0.098
0
0.296
👆🏻
Clarity
Translucent
Transparent
Physical
Neurological
Aids in mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Emotional Balance
Focus
Healing
Physical healing
Emotional healing
Qualities Associated
Healing
Manifestation