Origin
Southern and central Africa
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Color
Colorless, Brown, Greenish, gray
Yellow, Black
Streak
White
Green
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
2.62-2.674.39
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
From the Greek, oligos and kasein, little cleavage.
{111} Indistinct, {111} Indistinct, {111} Indistinct
Mohs Hardness
6-6.57.5-8
2
10
👆🏻
Chemical Composition
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
Luster
Vitreous
Vitreous
Pleochroism
-
-
Dispersion
0.010.03
0.005
1
👆🏻
Transparency
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Translucent
Refractive Index
1.538-1.5501.80-1.83
1
3.25
👆🏻
Optic Character
-
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Crystal System
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Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
Birefringence
0.010-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
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Respiratory
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Good
Reproductive
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Digestive
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Psychology
Harmony
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Healing
Emotional healing
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Qualities Associated
Harmony
Balance