Origin
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia
Southern and central Africa
Color
Green, Brown, Colorless, Greenish, Yellow
Colorless, Yellow
Streak
White
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
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-
How to Wear?
Finger
-
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Ring Metal
-
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Deities
-
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Not to wear with
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Powers
-
-
Birthstone
Planetary
-
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Talisman
-
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Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.25-3.452.59-2.60
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
-
Cleavage
Good on {110}
{001} Perfect, {110} Distinct, {101} Distinct
Mohs Hardness
6.56-7
2
10
👆🏻
Chemical Composition
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous
Vitreous
Pleochroism
X = colorless to green; Y = colorless
none.
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
TransparentAnthony et al
Refractive Index
1.660-1.6851.583-1.614
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21
Birefringence
0.012-0.017-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentAnthony et al
Physical
Neurological
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-
Cardiovascular
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Promotes mental clarity
Respiratory
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Reproductive
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Digestive
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Psychology
Harmony
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Self-worth
Creativity