Origin
Italy
Southern and central Africa
Color
Violet
Violet, Black
Streak
-
gray, White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
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-
Ring Metal
-
-
Deities
-
-
Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
-99993.17
1
7.18
👆🏻
Fracture
-
-
Cleavage
None
None
Mohs Hardness
-99997
2
10
👆🏻
Chemical Composition
NaCa2(Fe2+,Mg)4Si7AlO22(OH)2
Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)
Luster
-
Vitreous
Pleochroism
-
Strong: pale lavender dark blueAnthony et al
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
-
TranslucentAnthony et al, Translucent
Refractive Index
-9999-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
-
TranslucentAnthony et al
Physical
Neurological
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Cardiovascular
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Respiratory
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Reproductive
-
-
Digestive
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-
Psychology
Harmony
Empowerment
Healing
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Emotional healing
Qualities Associated
Emotional Healing
Emotional Healing