1 Astrology
1.1 Origin
Sri Lanka
Burma, Sri Lanka, Thailand, Cambodia, Vietnam, Madagascar, Tanzania, Kenya
1.2 Color
1.3 Streak
1.4 For which Rashi?
Sagittarius, Scorpio
Leo, Scorpio, Cancer, Sagittarius, Leo, Scorpio, Cancer, Sagittarius, Leo, Scorpio, Cancer, Sagittarius
1.5 Planet
1.6 Element of Planets
Not Available
Not Available
1.7 How to Wear?
1.7.1 Finger
Not Available
Ring Finger
1.7.2 Ring Metal
Not Available
Gold, Copper, Gold, Copper
1.8 Energy
1.9 Deities
Hephaestus
Buddha, Krishna
1.10 Not to wear with
Not Available
Ruby, Blue Sapphire, Diamond, Gomedh, Ruby, Blue Sapphire, Diamond, Gomedh
1.11 Powers
1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
2 Physical Properties
2.1 Tenacity
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
3.65-4.553.97-4.05
1
7.18
2.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal
2.6 Cleavage
None, but may exhibit slight parting
No true cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Al 2 O 3
3 Optical Properties
3.1 Luster
Vitreous
Vitreous, Adamantine, Vitreous, Adamantine
3.2 Pleochroism
AbsentWalter Schumann
Strong: purplish-red
3.3 Dispersion
3.4 Transparency
Gemmological Tables (2004)
Transparent, Translucent, Transparent to opaque
3.5 Refractive Index
1.735-1.7901.762-1.778
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
Not Available0.008
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
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