2 Astrology
1.2 Origin
the type locality
Not Available
1.3 Color
Blue, Green
Grey, Black, Green, White, Brown
1.6 Streak
1.10 For which Rashi?
Not Available
Not Available
1.12 Planet
Not Available
Not Available
1.15 Element of Planets
Not Available
Not Available
1.18 Energy
Not Available
Not Available
1.22 How to Wear?
1.22.3 Finger
Not Available
Not Available
1.22.6 Ring Metal
Not Available
Not Available
1.25 Deities
Not Available
Not Available
1.26 Not to wear with
Not Available
Not Available
1.30 Powers
Not Available
Not Available
1.32 Birthstone
1.34.3 Planetary
Not Available
Not Available
1.34.4 Talisman
Not Available
Not Available
2 Physical Properties
4.3 Tenacity
Not Available
Not Available
4.6 Solubility
Not Available
Not Available
4.7 Durability
Not Available
Not Available
4.10 Specific Gravity
3.80-4.15Not Available
1
7.18
4.14 Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009)
Uneven
4.18 Cleavage
perfect along [010] and [100]
Not Available
4.20 Mohs Hardness
4.23 Chemical Composition
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Not Available
6 Optical Properties
6.1 Luster
7.2 Pleochroism
X = very pale blue; Y = pale blue; Z = deep blue
Not Available
7.5 Dispersion
7.9 Transparency
Translucent
Not Available
7.11 Refractive Index
1.752-1.815Not Available
1
3.25
7.15 Optic Character
Not Available
Not Available
7.18 Crystal System
Orthorhombic
Not Available
7.20 Birefringence
0.063Not Available
0
0.296
8.2 Clarity
Translucent
Not Available
9 Benefits
10.1 Physical
10.2.1 Neurological
Not Available
Not Available
10.3.1 Cardiovascular
Not Available
Not Available
10.4.1 Respiratory
Not Available
Not Available
10.5.1 Reproductive
Not Available
Not Available
10.5.3 Digestive
Not Available
Not Available
10.6 Psychology
Not Available
Not Available
10.8 Healing
Not Available
Not Available
10.10 Qualities Associated
Not Available
Not Available