Origin
Southern and central Africa
Mexico
Color
Yellow, Blue, Colorless, White
Yellow, yellowish orange
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
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.28-3.313.98-4.04
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
None observed
Imperfect, poor one {100}
Mohs Hardness
6.5-7.54.5-5
2
10
👆🏻
Chemical Composition
Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.
Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Colorless
Colorless
Dispersion
0.010.03
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.638-1.6501.702-1.740
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Hexagonal
monoclinic
Birefringence
0.01300.060
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
-
Physical
Neurological
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-
Cardiovascular
-
-
Respiratory
Excellent
-
Reproductive
-
-
Digestive
-
-
Psychology
Clarity
Creativity
Healing
Emotional healing
-
Qualities Associated
Clarity
Optimism