1 Astrology
1.1 Origin
Burma, Sri Lanka, Thailand, Cambodia, Vietnam, Madagascar, Tanzania, Kenya
Canada
1.2 Color
Red, pink, Red
Colorless, White, Blue, Colorless, gray, Green, Yellow, White
1.3 Streak
1.4 For which Rashi?
Leo, Scorpio, Cancer, Sagittarius, Leo, Scorpio, Cancer, Sagittarius, Leo, Scorpio, Cancer, Sagittarius
Not Available
1.5 Planet
1.6 Element of Planets
Not Available
Not Available
1.7 How to Wear?
1.7.1 Finger
Ring Finger
Not Available
1.7.2 Ring Metal
Gold, Copper, Gold, Copper
Not Available
1.8 Energy
1.9 Deities
Buddha, Krishna
Not Available
1.10 Not to wear with
Ruby, Blue Sapphire, Diamond, Gomedh, Ruby, Blue Sapphire, Diamond, Gomedh
Not Available
1.11 Powers
Wealth, Joy
Not Available
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
3.97-4.052.42-2.52
1
7.18
2.5 Fracture
Conchoidal
Irregular/uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
2.6 Cleavage
No true cleavage
Perfect on {10 1 0}, poor on {0001}
2.7 Mohs Hardness
2.8 Chemical Composition
Al 2 O 3
Na 2Ca 2Al 6Si 6O 24(CO 3) 2Walter Schumann , Gemstones of the world (2001) More from other references
3 Optical Properties
3.1 Luster
Vitreous, Adamantine, Vitreous, Adamantine
Vitreous, Greasy, Pearly
3.2 Pleochroism
Strong: purplish-red
Not Available
3.3 Dispersion
3.4 Transparency
Transparent, Translucent, Transparent to opaque
Transparent
3.5 Refractive Index
1.762-1.7781.491-1.524
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
3.9 Clarity
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