Origin
USA
Southern and central Africa
Color
Yellow, Red, Green, Colorless, orange
Yellow, Blue, Colorless, White
Streak
Yellow, yellowish orange
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
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.50-5.903.28-3.31
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
On {10 1 0}, perfect; parting on {000 1 }
None observed
Mohs Hardness
46.5-7.5
2
10
👆🏻
Chemical Composition
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.
Luster
Subadamantine, Resinous
Vitreous
Pleochroism
Very weak
Colorless
Dispersion
0.160.01
0.005
1
👆🏻
Transparency
TransparentRobert C. Kammerling
-
Refractive Index
2.013-2.0291.638-1.650
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Hexagonal
Hexagonal
Birefringence
0.0160.0130
0
0.296
👆🏻
Clarity
TransparentRobert C. Kammerling
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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-
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Passion
Clarity
Healing
-
Emotional healing
Qualities Associated
-
Clarity