Origin
Southern and central Africa
Brazil
Color
Colorless, Yellow
Blue
Streak
White
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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
2.59-2.602.60-2.90
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
{001} Perfect, {110} Distinct, {101} Distinct
Indistinct
Mohs Hardness
6-77.5-8
2
10
👆🏻
Chemical Composition
Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
Be 3Al 2Si 6O 18Ulrich Henn and Claudio C.
Luster
Vitreous
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Pleochroism
none.
Strong dichroism: blue to colourless\
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
TransparentAnthony et al
Transparent
Refractive Index
1.583-1.6141.560-1.604
1
3.25
👆🏻
Optic Character
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Crystal System
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21
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Birefringence
-99990.003-0.010
0
0.296
👆🏻
Clarity
TransparentAnthony et al
Transparent
Physical
Neurological
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Enhances mental clarity and focus
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
Communication
Healing
Emotional healing
Emotional healing
Qualities Associated
Creativity
Communication