Origin
Mexico
Southern and central Africa
Color
Colorless, Violet, White
Violet, Black
Streak
White
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
-
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Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
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Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.703.17
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
-
Cleavage
Perfect on {100}
None
Mohs Hardness
4.57
2
10
👆🏻
Chemical Composition
Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous
Vitreous
Pleochroism
-
Strong: pale lavender dark blueAnthony et al
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
TranslucentAnthony et al, Translucent
Refractive Index
1.461-1.485-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
Birefringence
0.024-9999
0
0.296
👆🏻
Clarity
Transparent
TranslucentAnthony et al
Physical
Neurological
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Cardiovascular
Supports heart health
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Respiratory
Good
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Reproductive
-
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Digestive
3.6g
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Psychology
Spiritual growth
Empowerment
Healing
Emotional healing
Emotional healing
Qualities Associated
Spiritual Connection
Emotional Healing