Descloizite
| ID | 394 | |
|---|---|---|
| Mineral | Descloizite | |
| Location | Berg Aukas Mine - Grootfontein - Otjozondjupa - Namibia | |
| Fluorescence | LW-UV: close SW-UV: close |
|
| Mindat.org |
View Descloizite information at mindat.org |
|
Mindat data
| ID | 1267 |
|---|---|
| Long ID | 1:1:1267:2 |
| Formula |
PbZn(VO4)(OH)
|
| IMA Status |
0 1 |
| Occurrence | Pb, Zn, U, and V deposit. |
| Other Occurrences | Secondary mineral in oxidized zone of vanadium bearing base metal deposits. |
| Industrial | Rarely an ore of vanadium. |
| Discovery Year | 1854 |
| Diapheny | Transparent,Translucent |
| Tenacity | brittle |
| Colour | Brownish red, red-orange, reddish brown to blackish brown, nearly black |
| Hardness (min) | 3.0 |
| Hardness (max) | 3.5 |
| About the name | Named in 1854 by Augustin Alexis Damour in honor of Alfred Louis Olivier Le Grand Des Cloizeaux [October 17, 1817, Beauvais, Oise, France - May 6, 1897, Paris, France], Professor of Mineralogy, University of Paris, who first described the mineral. |
| Streak | Orange to brownish red |
| Crystal System | Orthorhombic |
| Cleavage Type | None Observed |
| Fracture type | Irregular/Uneven,Sub-Conchoidal |
| Morphology | Crystals equant to pyramidal {111}, prismatic [001], rarely tabular {100} or short prismatic [100]. Crystal faces are commonly uneven or rough, with frequent sub-parallel growth. Drusy crusts of intergrown crystals common; also stalactitic or massive with a coarse fibrous structure and mammillary or botryoidal surface. Massive granular at times, compact to friable. |
| UV | Not fluorescent. |
| Thermal Behaviour | Heated in a closed tube it gives water. |
| key_elements |
0 1 2 |
| shortcode_ima | Dcz |
| Group | Adelite-Descloizite Group |
Details
Price: € 25
Dimensions: Not registered
Weight: Not registered
Visibile in overview:
Notes:
| Symbol | Element | |
|---|---|---|
| H | Hydrogen | |
| O | Oxygen | |
| Pb | Lead |
|
| V | Vanadium | |
| Zn | Zinc |