General Information:
Chemical Formula:
Ca(UO2)6(CO3)5(OH)4·6(H2O)
Composition:
(Molecular Weight = 2,136.41 gm)
Calcium 1.88 % Ca
Uranium 66.85 % U
Hydrogen 0.75 % H
Carbon 2.81 % C
Oxygen 27.71 % O
Empirical Formula:
Ca(UO2)6(CO3)5(OH)4·6(H2O)
Locality:
Shinkolobwe, Shaba, Zaire.
Name Origin:
Named for R. R. Sharp (1881-1956), English engineer, prospector, and soldier, who discovered the Shikolobwe uranium deposit in 1915.
Physical Properties:
Color:
greenish yellow, olive green, or grayish white.
Density:
4.45
Habits:
Encrustations - Forms crust-like aggregates on matrix., Acicular - Occurs as needle-like crystals., Radial - Crystals radiate from a center without producing stellar forms (e.g. stibn ite)
Hardness:
2.5 - Finger Nail
More details...