1 Astrology
1.1 Origin
Not Available, Southern and central Africa
Burma, Sri Lanka, Thailand, Cambodia, Vietnam, Madagascar, Tanzania, Kenya
1.2 Color
Violet, Black
Red, pink, Red
1.3 Streak
gray, White, gray, White
White
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
Handbook of mineralogy (2001)
Conchoidal
2.6 Cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)
Al 2 O 3
3 Optical Properties
3.1 Luster
Vitreous
Vitreous, Adamantine, Vitreous, Adamantine
3.2 Pleochroism
Strong: pale lavender dark blueAnthony et al
Strong: purplish-red
3.3 Dispersion
3.4 Transparency
TranslucentAnthony et al, Translucent
Transparent, Translucent, Transparent to opaque
3.5 Refractive Index
Not Available1.762-1.778
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
Trigonal
3.8 Birefringence
Not Available0.008
0
0.296
3.9 Clarity
TranslucentAnthony et al
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