1 Astrology
1.1 Origin
Madagascar
Burma, Sri Lanka, Thailand, Cambodia, Vietnam, Madagascar, Tanzania, Kenya
1.2 Color
Brownish, Black, Reddish, Brown, Blue
Red, pink, Red
1.3 Streak
1.4 For which Rashi?
Not Available
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
Not Available
Buddha, Krishna
1.10 Not to wear with
Not Available
Ruby, Blue Sapphire, Diamond, Gomedh, Ruby, Blue Sapphire, Diamond, Gomedh
1.11 Powers
Not Available
Wealth, Joy
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
2.5 Fracture
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Conchoidal
2.6 Cleavage
{0001} good, {10 1 0} parting
No true cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
(Ca,Ce)(Al,Ti,Mg)12O19
Al 2 O 3
3 Optical Properties
3.1 Luster
Vitreous
Vitreous, Adamantine, Vitreous, Adamantine
3.2 Pleochroism
O = brownish gray; E = gray
Strong: purplish-red
3.3 Dispersion
3.4 Transparency
Handbook of mineralogy (2001)
Transparent, Translucent, Transparent to opaque
3.5 Refractive Index
1.79-1.8071.762-1.778
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
Handbook of mineralogy (2001)
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