Origin
Italy, Canada
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Color
Blue, Red, Yellow, Colorless, Green, White
Blue, gray, Black
Streak
White
Blue
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
2.90-3.103-3.15
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
Poor/indistinct on {1120} and {1011}
Good on [110] and on [001]
Mohs Hardness
76.0-6.5
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
[ ]Na2(Mg3Al2)Si8O22(OH)2
Luster
Vitreous
Vitreous, Pearly
Pleochroism
Pale green
Strong
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent
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Refractive Index
1.614-1.6661.606-1.637
1
3.25
👆🏻
Optic Character
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Crystal System
Trigonal
monoclinic
Birefringence
0.014-0.032-9999
0
0.296
👆🏻
Clarity
Transparent
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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
Communication
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Peace