Origin
Italy, Canada
Southern and central Africa
Color
Blue, Red, Yellow, Colorless, Green, White
Colorless, White, gray, Brown, pink
Streak
White
White
For which Rashi?
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-
Planet
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-
Element of Planets
-
-
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
-
-
Birthstone
Planetary
-
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Talisman
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Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.90-3.103.05-3.08
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Uneven, Irregular, Conchoidal
Cleavage
Poor/indistinct on {1120} and {1011}
None
Mohs Hardness
76.5
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
Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous
Vitreous
Pleochroism
Pale green
-
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent
Semitransparent
Refractive Index
1.614-1.666-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: I a3d
Birefringence
0.014-0.032-9999
0
0.296
👆🏻
Clarity
Transparent
TranslucentAnthony et al
Physical
Neurological
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Cardiovascular
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Supports heart health
Respiratory
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Good
Reproductive
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Digestive
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Psychology
Emotional healing
Empathy
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Emotional Healing