Origin
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia
Southern and central Africa
Color
Green, Brown, Colorless, Greenish, Yellow
White, Violet, Blue, Yellow, Brownish, Colorless, Greenish
Streak
White
Colorless
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.25-3.452.78
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven, Conchoidal
Cleavage
Good on {110}
{???} Distinct, {???} Indistinct
Mohs Hardness
6.55-6
2
10
👆🏻
Chemical Composition
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
3CaAl 2Si 2O 8 · CaCO 3Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous
Vitreous, Resinous
Pleochroism
X = colorless to green; Y = colorless
-
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.660-1.6851.556-1.600
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
-
Birefringence
0.012-0.0170.024-0.037
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
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Aids in mental clarity and focus
Cardiovascular
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Respiratory
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Reproductive
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-
Digestive
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-
Psychology
Harmony
Optimism
Healing
Emotional healing
Emotional healing
Qualities Associated
Self-worth
Transformation