1 Astrology
1.1 Origin
Sri Lanka
Brazil, Southern and central Africa, Madagascar, Widespread; best stones come from Brazil.
1.2 Color
1.3 Streak
Not Available
Not Available
1.4 For which Rashi?
Sagittarius, Scorpio
Scorpio
1.5 Planet
1.6 Element of Planets
Not Available
Not Available
1.7 Energy
Not Available
Not Available
1.8 How to Wear?
1.8.1 Finger
Not Available
Not Available
1.8.2 Ring Metal
Not Available
Not Available
1.9 Deities
Hephaestus
Persephone, Mercury
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
Protection, Psychic Power
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
Not Available
Not Available
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.5 Fracture
2.6 Cleavage
None, but may exhibit slight parting
Indiscernible
2.7 Mohs Hardness
2.8 Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
SiO2
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Not Available
Natural: weak; yellow light yellow.
3.3 Dispersion
3.4 Transparency
Not Available
Transparent
3.5 Refractive Index
1.735-1.7901.544-1.553
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
Not Available0.009
0
0.296
3.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
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4.1.3 Respiratory
Not Available
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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