1 Astrology
1.1 Origin
Afghanistan, China, Madagascar, Southern and central Africa, Pakistan, Sri Lanka, USA
Canada, Columbia, Brazil, Burma, Russia, blue
1.2 Color
Red, Reddish, orange, Brown
Blue, White, pink, gray, Green
1.3 Streak
1.4 For which Rashi?
Not Available
Sagittarius
1.5 Planet
1.6 Element of Planets
1.7 Energy
1.8 How to Wear?
1.8.1 Finger
Not Available
Not Available
1.8.2 Ring Metal
Not Available
Not Available
1.9 Deities
Not Available
Not Available
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
Not Available
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
2.2 Solubility
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
4.12-4.182.15-2.40
1
7.18
5.7 Fracture
ConchoidalArthur Thomas, Conchoidal, Brittle
Conchoidal, Uneven, UnevenArthur Thomas, Brittle
5.8 Cleavage
{???} Distinct
Poor on {110}
5.9 Mohs Hardness
6.19 Chemical Composition
Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Na8Al6Si6O24Cl2
7 Optical Properties
7.1 Luster
7.2 Pleochroism
Not Available
AbsentWalter Schumann
7.3 Dispersion
10.13 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent, Opaque
10.14 Refractive Index
1.789-1.8201.478-1.488
1
3.25
10.18 Optic Character
Not Available
Not Available
10.19 Crystal System
10.20 Birefringence
0.027Not Available
0
0.296
11.5 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
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