1 Astrology
1.2 Origin
1.4 Color
1.6 Streak
Not Available
White, Colorless
1.8 For which Rashi?
1.3 Planet
1.5 Element of Planets
Earth, Air, Water
Not Available
1.8 Energy
1.11 How to Wear?
1.11.1 Finger
Not Available
Not Available
1.12.2 Ring Metal
Not Available
Not Available
1.2 Deities
1.6 Not to wear with
Not Available
Not Available
1.1 Powers
Not Available
Not Available
1.6 Birthstone
1.6.1 Planetary
Not Available
Not Available
1.10.0 Talisman
Not Available
Not Available
3 Physical Properties
3.1 Tenacity
Not Available
Not Available
3.8 Solubility
Not Available
Not Available
3.12 Durability
Not Available
Not Available
4.3 Specific Gravity
6.7 Fracture
Uneven, Granular
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
6.9 Cleavage
no true cleavage
Perfect {010} imperfect {100}
6.10 Mohs Hardness
6.22 Chemical Composition
Not Available
Ca2Al3(SiO4)3(OH)
7 Optical Properties
7.1 Luster
7.3 Pleochroism
8.2 Dispersion
11.5 Transparency
Not Available
Opaque, Translucent, Opaque . May be translucent in thin backlit sections.
11.6 Refractive Index
11.15 Optic Character
Not Available
Not Available
11.16 Crystal System
11.17 Birefringence
0.135-0.1450.006-0.018
0
0.296
11.30 Clarity
Not Available
OpaqueHerve Nicolas Lazzarelli
12 Benefits
12.1 Physical
12.1.1 Neurological
Not Available
Not Available
12.1.2 Cardiovascular
Not Available
Not Available
12.1.3 Respiratory
Not Available
Not Available
12.1.4 Reproductive
Not Available
Not Available
12.1.5 Digestive
Not Available
Not Available
12.2 Psychology
Not Available
Not Available
12.3 Healing
Not Available
Not Available
12.4 Qualities Associated
Not Available
Not Available