Origin
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia
USA
Color
Green, Brown, Colorless, Greenish, Yellow
Blue, Green
Streak
White
Blue, Greenish, White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.25-3.455.6-5.76
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven
Cleavage
Good on {110}
[001] perfect; [100] distinct
Mohs Hardness
6.52.5-3
2
10
👆🏻
Chemical Composition
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous
Vitreous
Pleochroism
X = colorless to green; Y = colorless
Weak
Dispersion
0.020.05
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.660-1.6851.818-1.909
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.012-0.0170.091
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
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-
Cardiovascular
-
-
Respiratory
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Good
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Creativity
Healing
Emotional healing
-
Qualities Associated
Self-worth
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