Origin
Southern and central Africa
Southern and central Africa
Color
Colorless, Yellow, White
Yellow, Blue, Black, Green, gray
Streak
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
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-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
Partially soluble in water
-
Durability
-
-
Specific Gravity
1.773.43-3.44
1
7.18
👆🏻
Fracture
-
-
Cleavage
Perfect on {10 1 0}
None Observed
Mohs Hardness
2-2.56.5-7
2
10
👆🏻
Chemical Composition
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
-
visible
Dispersion
0.040.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.470-1.4911.696-1.702
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Triclinic
Birefringence
0.0210.005
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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-
Cardiovascular
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Respiratory
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Reproductive
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Digestive
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-
Psychology
Adaptability
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Transformation