Origin
Italy, Canada
Russia
Color
Blue, Red, Yellow, Colorless, Green, White
Pale pink, Red, White, pink, Blue, Green
Streak
White
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.90-3.102.30-2.60
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Uneven, Conchoidal
Cleavage
Poor/indistinct on {1120} and {1011}
{111} Imperfect
Mohs Hardness
75.5-6
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
Na 4AlBeSi 4O 12ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
-
Pleochroism
Pale green
ModerateArthur Thomas
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent
OpaqueHerve Nicolas Lazzarelli
Refractive Index
1.614-1.6661.494-1.504
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
tetragonal
Birefringence
0.014-0.0320.008
0
0.296
👆🏻
Clarity
Transparent
OpaqueHerve Nicolas Lazzarelli
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
Emotional healing
Qualities Associated
Emotional Healing
Emotional Healing