1 Astrology
1.1 Origin
Southern and central Africa
Brazil
1.2 Color
Grey, Green
Yellow, Brown, Black, Colorless, White, Brownish
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
Not Available
1.6 Element of Planets
Not Available
Not Available
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
Not Available
Not Available
1.9 Deities
Not Available
Not Available
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
Not Available
1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
2.2 Solubility
Not Available
Effervesces in hot HCl
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
3.62-3.682.92-3.12
1
7.18
2.5 Fracture
Conchoidal
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
2.6 Cleavage
Not Available
[10 1 1] perfect
2.7 Mohs Hardness
2.8 Chemical Composition
(Mg,Fe,Zn)Al 6BeO 12Ulrich Henn and Claudio C.
MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Not Available
NilArthur Thomas
3.3 Dispersion
3.4 Transparency
Gemmological Tables (2004)
Translucent
3.5 Refractive Index
1.719-1.7391.509-1.720
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
3.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
Not Available
4.1.3 Respiratory
Not Available
Not Available
4.1.4 Reproductive
Not Available
Not Available
4.1.5 Digestive
Not Available
Not Available
4.2 Psychology
Not Available
Not Available
4.3 Healing
Not Available
Not Available
4.4 Qualities Associated
Not Available
Not Available