Origin
Southern and central Africa
Australia
Color
Colorless, Yellow
Brown, Reddish, Brownish, Yellow
Streak
White
Brown, Brownish, Yellow
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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HCl soluble
Durability
-
-
Specific Gravity
2.59-2.604.27-4.29
1
7.18
👆🏻
Fracture
-
Uneven
Cleavage
{001} Perfect, {110} Distinct, {101} Distinct
Perfect {010}
Mohs Hardness
6-75-5.5
2
10
👆🏻
Chemical Composition
Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
FeO(OH)Arthur Thomas , Gemstones (2009)
Luster
Vitreous
Adamantine
Pleochroism
none.
VisibleArthur Thomas
Dispersion
0.010.05
0.005
1
👆🏻
Transparency
TransparentAnthony et al
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Refractive Index
1.583-1.6142.26-2.398
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21
Orthorhombic
Birefringence
-99990.138
0
0.296
👆🏻
Clarity
TransparentAnthony et al
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Physical
Neurological
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Cardiovascular
Promotes mental clarity
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Respiratory
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Reproductive
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Digestive
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Psychology
Harmony
Creativity
Healing
Emotional healing
Emotional healing
Qualities Associated
Creativity
Emotional Healing