Origin
Southern and central Africa
Mexico
Color
Yellow, Blue, Black, Green, gray
White, gray, Brownish, Yellow, Greenish
Streak
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
-
Sectile
Solubility
-
Soluble
Durability
-
-
Specific Gravity
3.43-3.446.13
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
None Observed
Distinct on {001} and {110}, indistinct on {100}
Mohs Hardness
6.5-72-3
2
10
👆🏻
Chemical Composition
Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Adamantine
Pleochroism
visible
Weakly pleochroic with O reddish and E greenish in thick sections.
Dispersion
0.020.04
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.696-1.7022.117-2.145
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Triclinic
tetragonal
Birefringence
0.0050.027
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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-
Cardiovascular
-
-
Respiratory
-
-
Reproductive
-
-
Digestive
-
-
Psychology
-
-
Healing
Emotional healing
-
Qualities Associated
Transformation
Transformation