Origin
Southern and central Africa
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Color
Blue, Brown, Colorless, Yellow
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
2.724.39
1
7.18
👆🏻
Fracture
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Uneven
Cleavage
{110} Perfect, {010} Perfect
{111} Indistinct, {111} Indistinct, {111} Indistinct
Mohs Hardness
5-67.5-8
2
10
👆🏻
Chemical Composition
Na 2ZrSi 3O 9 · 2H 2OMichael 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
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Refractive Index
1.590-1.6291.80-1.83
1
3.25
👆🏻
Optic Character
-
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Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: B2/b (pseudo-HEX)
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
Birefringence
0.039-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
Supports heart health
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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