General Information:
Chemical Formula:Cu5Si6O17·7(H2O)
Composition:(Molecular Weight = 884.34 gm)Copper 35.93 %
CuSilicon 19.06 %
SiHydrogen 1.60 %
H Oxygen 43.42 %
O
Empirical Formula: Cu5Si6O17·7(H2O)
Environment:Garnet-diopside tactite zone.
IMA Status:Approved IMA 1979
Locality:Christmas mine, Gila County, Arizona, USA.
Name Origin:Named for its locality.
Physical Properties:
Color:blue green or green.
Density:2.82
Diaphaniety:Translucent
Habits:Spherical - Spherical, rounded aggregates., Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite), Fibrous - Crystals made up of fibers.
Hardness:2 - Gypsum
Streak:light green
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