| |
 |
Astrocyanite-(Ce) Mineral Data
|
|
|
General Astrocyanite-(Ce) Information
|
 Chemical Formula: |
Cu2(Ce,Nd,La)2(UO2)(CO3)5(OH)2•1.5(H2O) |
| Composition: |
Molecular Weight = 951.38 gm |
| |
Lanthanum 2.92 % La 3.42 % La2O3 |
| |
Cerium 1.47 % Ce 1.73 % Ce2O3 |
| |
Praeseodymium 2.96 % Pr 3.47 % Pr2O3 |
| |
Samarium 1.58 % Sm 1.83 % Sm2O3 |
| |
Uranium 25.02 % U 28.38 % UO2 |
| |
Copper 13.36 % Cu 15.04 % Cu2O |
| |
Hydrogen 0.78 % H 7.01 % H2O |
| |
Carbon 6.31 % C 23.13 % CO2 |
| |
Neodymium 9.10 % Nd 10.61 % Nd2O3 |
| |
Oxygen 36.49 % O |
| |
______ ______ |
| |
100.00 % 94.62 % = TOTAL OXIDE |
| Empirical Formula: |
Cu2Ce0.1Nd0.6La0.2Pr0.2Sm0.1(UO2)(CO3)5(OH)2�2.7(H2O) |
| Environment: |
In the oxidation zone of the uranium-bearing portion of a Cu-Co deposit. |
| IMA Status: |
Approved IMA 1990 |
| Locality: |
Kamoto-East Cu-Co mine, 5 km west of Kolwezi, Katanga Province, Zaire. Link to MinDat.org Location Data. |
| Name Origin: |
Named from the Greek for "star" and "blue" alluding to the star-like habit and blue color and the dominant Ce. |
| Name Pronunciation: |
Astrocyanite-(Ce) + Pronunciation  |
| Synonym: |
IMA1989-032 |
| |