1 Astrology
1.1 Origin
Not Available
Southern and central Africa
1.2 Color
White, Colorless, Blue, Red, Green, Yellow, Violet
White, Colorless, Blue, Red, Green, Yellow, Violet, Black, Green, Red, Blue, White
1.4 Streak
1.6 For which Rashi?
Not Available
Not Available
1.8 Planet
Not Available
Not Available
1.3 Element of Planets
Not Available
Not Available
1.6 Energy
Not Available
Not Available
1.8 How to Wear?
1.8.1 Finger
Not Available
Not Available
1.10.2 Ring Metal
Not Available
Not Available
1.12 Deities
Not Available
Not Available
1.15 Not to wear with
Not Available
Not Available
1.18 Powers
Not Available
Not Available
1.21 Birthstone
1.21.1 Planetary
Not Available
Not Available
1.23.3 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
Not Available
Not Available
3.4 Solubility
Not Available
Not Available
3.6 Durability
Not Available
Not Available
3.8 Specific Gravity
Not Available3.03-3.18
1
7.18
1.13 Fracture
Not Available
Uneven, Uneven, Irregular, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
1.14 Cleavage
Not Available
{???} Indistinct
1.15 Mohs Hardness
3.4 Chemical Composition
Not Available
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
4 Optical Properties
4.1 Luster
4.2 Pleochroism
Not Available
Very strong: pale yellow colorless
4.4 Dispersion
6.9 Transparency
Not Available
Transparent
6.10 Refractive Index
Not Available1.614-1.666
1
3.25
6.18 Optic Character
Not Available
Not Available
6.19 Crystal System
Not Available
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
6.21 Birefringence
Not Available0.014-0.032
0
0.296
10.5 Clarity
Not Available
Transparent
11 Benefits
11.1 Physical
11.1.1 Neurological
Not Available
Not Available
11.1.2 Cardiovascular
Not Available
Not Available
11.1.3 Respiratory
Not Available
Not Available
11.1.4 Reproductive
Not Available
Not Available
11.1.5 Digestive
Not Available
Not Available
11.2 Psychology
Not Available
Not Available
11.3 Healing
Not Available
Not Available
11.4 Qualities Associated
Not Available
Not Available