Origin
Italy, Canada
Mexico, USA, Spain
Color
Blue, Red, Yellow, Colorless, Green, White
Green, Brown, Yellow, Red, Black
Streak
White
Brownish, White
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
2.90-3.103.95-4.10
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Uneven
Cleavage
Poor/indistinct on {1120} and {1011}
{110} Perfect, {110} Perfect, {110} Perfect
Mohs Hardness
73.5-4
2
10
👆🏻
Chemical Composition
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Adamantine
Pleochroism
Pale green
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Dispersion
0.020.16
0.005
1
👆🏻
Transparency
Transparent
Transparent, Translucent
Refractive Index
1.614-1.6662.368-2.371
1
3.25
👆🏻
Optic Character
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Crystal System
Trigonal
Isometric
Birefringence
0.014-0.032-9999
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
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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
Emotional healing
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Healing
Emotional healing
Physical healing
Qualities Associated
Emotional Healing
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