Origin
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia
Southern and central Africa
Color
Green, Brown, Colorless, Greenish, Yellow
Brownish, Red, orange
Streak
White
White
For which Rashi?
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Planet
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Element of Planets
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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
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Birthstone
Planetary
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Talisman
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Tenacity
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Solubility
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Durability
-
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Specific Gravity
3.25-3.454.00-4.03
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Conchoidal
Cleavage
Good on {110}
Distinct
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
CaZrBAl 9O 18Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
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Pleochroism
X = colorless to green; Y = colorless
Strong dichroism: yellow-brown red to brown-violet (pinkish samples: nearly colorless pale orangy-pink)Herve Nicolas Lazzarelli
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
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Refractive Index
1.660-1.6851.787-1.816
1
3.25
👆🏻
Optic Character
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Crystal System
Orthorhombic
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Birefringence
0.012-0.0170.029
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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Reproductive
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Digestive
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Psychology
Harmony
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Healing
Emotional healing
Physical healing
Qualities Associated
Self-worth
Transformation