Origin
Southern and central Africa
USA, Southern and central Africa
Color
Violet, Black
Violet, Red, White, Reddish
Streak
gray, 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
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.173.19
1
7.18
👆🏻
Fracture
-
Uneven
Cleavage
None
{???} Distinct
Mohs Hardness
73.5
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)
Mn2+5(PO 4) 2(PO 3OH) 2 · 4H 2O)Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Vitreous, Greasy
Pleochroism
Strong: pale lavender dark blueAnthony et al
Colorless yellow to pale rose reddish yellow to reddish brown.Anthony et al
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
TranslucentAnthony et al, Translucent
Transparent
Refractive Index
-99991.647-1.667
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
Birefringence
-99990.012
0
0.296
👆🏻
Clarity
TranslucentAnthony et al
Transparent
Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
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-
Respiratory
-
Good
Reproductive
-
-
Digestive
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-
Psychology
Empowerment
Compassion
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Emotional Healing