Origin
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia
Madagascar
Color
Green, Brown, Colorless, Greenish, Yellow
Brownish, Black, Reddish, Brown, Blue
Streak
White
Reddish, Brown
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
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Ring Metal
-
-
Deities
-
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Not to wear with
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Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.25-3.453.84
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Subconchoidal, Conchoidal
Cleavage
Good on {110}
{0001} good, {10 1 0} parting
Mohs Hardness
6.57.5-8
2
10
👆🏻
Chemical Composition
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
(Ca,Ce)(Al,Ti,Mg)12O19
Luster
Vitreous
Vitreous
Pleochroism
X = colorless to green; Y = colorless
O = brownish gray; E = gray
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.660-1.6851.79-1.807
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Hexagonal
Birefringence
0.012-0.017-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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Physical
Neurological
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-
Cardiovascular
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-
Respiratory
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Excellent
Reproductive
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-
Digestive
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-
Psychology
Harmony
Empowerment
Healing
Emotional healing
Emotional healing
Qualities Associated
Self-worth
Balance