Origin
Southern and central Africa
Sri Lanka
Color
Brown, White, Greenish, gray, Green, Brownish
Yellow
Streak
gray
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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
2.9-3.53.69-3.81
1
7.18
👆🏻
Fracture
Conchoidal
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Cleavage
{110} Perfect, {???} Distinct, {???} Distinct
Perfect
Mohs Hardness
5.5-68.5
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
BeAl 2O 4Arthur Thomas , Gemstones (2009)
Luster
Vitreous, Pearly
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Pleochroism
-
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Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.603-1.6901.739-1.770
1
3.25
👆🏻
Optic Character
Biaxial/+
Biaxial/+
Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
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Birefringence
-99990.007-0.013
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Enhances brain function
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Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Good
Reproductive
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Digestive
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Psychology
Peace
Optimism
Healing
Emotional healing
Emotional healing
Qualities Associated
Self-discovery
Optimism