Origin
China, Canada
Tanzania
Color
Green, Yellow, Brown, White, gray, Black
Blue
Streak
-
White, Colorless
For which Rashi?
-
Sagittarius, Pisces, Virgo
Planet
-
-
Element of Planets
-
Air, Water, Earth
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
Love, Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
Hard
Specific Gravity
2.90-3.103.35
1
7.18
👆🏻
Fracture
Splintery, Granular
Uneven, Conchoidal
Cleavage
None
Perfect {010}, imperfect {100}
Mohs Hardness
6-6.56.5-7
2
10
👆🏻
Chemical Composition
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
Ca2Al3(SiO4)3(OH)
Luster
Vitreous, Greasy
Vitreous
Pleochroism
None
Present
Dispersion
0.010.03
0.005
1
👆🏻
Transparency
Translucent
Transparent, Translucent, Transparent to translucent
Refractive Index
1.600-1.6271.685-1.707
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Orthorhombic
Birefringence
0.0270.006-0.018
0
0.296
👆🏻
Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Aids in mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Emotional Balance
Intuition
Healing
Physical healing
Emotional healing
Qualities Associated
Healing
Communication