Origin
the type locality
Australia
Color
Blue, Green
White, Colorless, Blue, Red, Green, Yellow, Violet
Streak
Blue
Not Available
For which Rashi?
Not Available
Not Available
Planet
Not Available
Not Available
Element of Planets
Not Available
Not Available
Energy
Not Available
Not Available
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Deities
Not Available
Not Available
Not to wear with
Not Available
Not Available
Powers
Not Available
Not Available
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.80-4.15
1.97-2.22
Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009)
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
perfect along [010] and [100]
Not Available
Mohs Hardness
3.5-4
6-6.5
Chemical Composition
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
SiO 2 + H 2OUlrich Henn and Claudio C.
Luster
Silky
Not Available
Pleochroism
X = very pale blue; Y = pale blue; Z = deep blue
AbsentWalter Schumann
Dispersion
Not Available
None
Transparency
Translucent
Transparent, Translucent
Refractive Index
1.752-1.815
1.370-1.470
Optic Character
Not Available
Not Available
Crystal System
Orthorhombic
Not Available
Birefringence
0.063
Not Available
Clarity
Translucent
Transparent
Neurological
Not Available
Not Available
Cardiovascular
Not Available
Not Available
Respiratory
Not Available
Not Available
Reproductive
Not Available
Not Available
Digestive
Not Available
Not Available
Psychology
Not Available
Not Available
Healing
Not Available
Not Available
Qualities Associated
Not Available
Not Available