Origin
Southern and central Africa
Canada, Russia, Brazil
Color
Violet, Black
Brown, Red, Yellow, Violet
Streak
gray, White
White
For which Rashi?
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-
Planet
-
-
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
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
H₂SO₄
Durability
-
-
Specific Gravity
3.172.74-3.00
1
7.18
👆🏻
Fracture
-
Uneven
Cleavage
None
Distinct on {0001} imperfect on {11 2 0}
Mohs Hardness
75-5.5
2
10
👆🏻
Chemical Composition
Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)
Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.
Luster
Vitreous
Vitreous
Pleochroism
Strong: pale lavender dark blueAnthony et al
Weak: O= colorless
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
TranslucentAnthony et al, Translucent
Translucent
Refractive Index
-99991.591-1.633
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
Trigonal
Birefringence
-99990.003-0.010
0
0.296
👆🏻
Clarity
TranslucentAnthony et al
Translucent
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
Empowerment
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Self-Love