1 Astrology
1.1 Origin
Pakistan, Tanzania
Burma, Sri Lanka, India, Madagascar, Kenya, Tanzania, Thailand, Cambodia, China, Australia, USA
1.2 Color
Brown, gray, Green, Blue, rose, Red
Colorless, Yellow, Green, Violet, White, Colorless, Blue, Red, Green, Yellow, pink
1.3 Streak
White, Colorless
Not Available
1.4 For which Rashi?
Not Available
Pisces, Taurus, Gemini, Libra, Pisces, Taurus, Gemini, Libra, Pisces, Taurus, Gemini, Libra
1.5 Planet
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
1.9 Deities
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
Psychic Power, Prosperity
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
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
3.20-3.503.95-4.03
1
7.18
2.5 Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Even
Uneven, Uneven, Gems, Sixth Edition (2006)
2.6 Cleavage
Perfect {010} imperfect {100}
None, but may exhibit parting
2.7 Mohs Hardness
2.8 Chemical Composition
Ca2Al3(SiO4)3(OH)
Al 2 O 3
3 Optical Properties
3.1 Luster
Vitreous
Vitreous, Adamantine, Vitreous, Adamantine
3.2 Pleochroism
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green
Strong
3.3 Dispersion
3.4 Transparency
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.
Transparent, Translucent, Transparent to opaque
3.5 Refractive Index
1.685-1.7071.762-1.788
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.006-0.0180.008-0.009
0
0.296
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