Origin
Southern and central Africa
Southern and central Africa
Color
Violet, Black
Colorless, White, Greenish
Streak
gray, White
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.172.90-3.02
1
7.18
👆🏻
Fracture
-
Subconchoidal, Conchoidal
Cleavage
None
Indistinct on {110}
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)
CaBePO 4(F,OH)Ulrich Henn and Claudio C.
Luster
Vitreous
Vitreous
Pleochroism
Strong: pale lavender dark blueAnthony et al
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
TranslucentAnthony et al, Translucent
Transparent
Refractive Index
-99991.587-1.642
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
monoclinic
Birefringence
-99990.028-0.032
0
0.296
👆🏻
Clarity
TranslucentAnthony et al
Transparent
Physical
Neurological
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-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Empowerment
Self-awareness
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Higher Awareness