1 Astrology
1.1 Origin
India, Italy
Spain, China
1.3 Color
White, Reddish
Red, gray, Brown, pink
1.5 Streak
1.7 For which Rashi?
Not Available
Not Available
1.10 Planet
Not Available
Not Available
1.11 Element of Planets
Not Available
Not Available
1.13 Energy
Not Available
Not Available
1.15 How to Wear?
1.15.1 Finger
Not Available
Not Available
1.15.3 Ring Metal
Not Available
Not Available
1.17 Deities
Not Available
Not Available
1.19 Not to wear with
Not Available
Not Available
1.21 Powers
Not Available
Not Available
1.23 Birthstone
1.23.1 Planetary
Not Available
Not Available
1.25.1 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
Not Available
Slightly sectile
1.3 Solubility
Not Available
1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)
1.7 Durability
Not Available
Not Available
1.13 Specific Gravity
4.7 Fracture
Irregular/uneven, UnevenArthur Thomas, Gemstones (2009)
Uneven, Uneven, Gemstones (2009), Brittle
4.8 Cleavage
distinct/good on {1011}
Prismatic {10 1 0}, perfect
4.9 Mohs Hardness
5.4 Chemical Composition
CaAl 2Si 4O 12 -6H 2OArthur Thomas , Gemstones (2009)
HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
6 Optical Properties
6.1 Luster
6.2 Pleochroism
NilArthur Thomas
NilArthur Thomas
6.3 Dispersion
8.10 Transparency
8.11 Refractive Index
1.478-1.4902.905-3.25
1
3.25
9.7 Optic Character
Not Available
Not Available
9.9 Crystal System
9.10 Birefringence
0.005-0.008Not Available
0
0.296
10.2 Clarity
11 Benefits
11.1 Physical
11.1.1 Neurological
Not Available
Not Available
11.1.3 Cardiovascular
Not Available
Not Available
11.1.5 Respiratory
Not Available
Not Available
11.2.1 Reproductive
Not Available
Not Available
11.3.1 Digestive
Not Available
Not Available
11.6 Psychology
Not Available
Not Available
12.1 Healing
Not Available
Not Available
12.3 Qualities Associated
Not Available
Not Available