1 Astrology
1.1 Origin
Southern and central Africa, Sixth Edition (2006)
Tanzania, Yellow, green, Yellow, green
1.2 Color
Blue, Green, Blue, Brown
Blue
1.3 Streak
White, Blue, Green
White, Colorless
1.4 For which Rashi?
Taurus
Sagittarius, Pisces, Virgo, Sagittarius, Pisces, Virgo, Sagittarius, Pisces, Virgo
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
Receptive
Receptive, Projective
1.9 Deities
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
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
Not Available
Not Available
2.3 Durability
2.4 Specific Gravity
2.5 Fracture
Sub-Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
2.6 Cleavage
none
Perfect {010}, imperfect {100}
2.7 Mohs Hardness
2.8 Chemical Composition
Cu2H2Si2O5(OH)4
Ca2Al3(SiO4)3(OH)
3 Optical Properties
3.1 Luster
Vitreous, Greasy
Vitreous
3.2 Pleochroism
AbsentWalter Schumann
Present
3.3 Dispersion
3.4 Transparency
Opaque
Transparent, Translucent, Transparent to translucent
3.5 Refractive Index
1.460-1.5701.685-1.707
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.023-0.0500.006-0.018
0
0.296
3.9 Clarity
Gemmological Tables (2004) More from other references
TransparentUlrich Henn and Claudio C. Milisenda
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