1 Astrology
1.1 Origin
Canada, Columbia, Brazil, Burma, Russia, blue
Russia
1.2 Color
Blue, White, pink, gray, Green
Violet, Brown, Violet, Brown
1.3 Streak
1.4 For which Rashi?
Sagittarius
Sagittarius, Scorpio, Sagittarius, Scorpio, Sagittarius, Scorpio
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
Not Available
Minerva, Vac
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
Healing, Love, Protection
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
2.15-2.402.54-2.78
1
7.18
2.5 Fracture
Conchoidal, Uneven, UnevenArthur Thomas, Brittle
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
Poor on {110}
Good in three directions
2.7 Mohs Hardness
2.8 Chemical Composition
Na8Al6Si6O24Cl2
K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
Greasy
Pearly, Fibrous, Chatoyant
3.2 Pleochroism
AbsentWalter Schumann
NilArthur Thomas
3.3 Dispersion
3.4 Transparency
Transparent, Translucent, Opaque
Translucent
3.5 Refractive Index
1.478-1.4881.545-1.560
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
Not Available0.009
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