Olivenite
| ID | 409 | |
|---|---|---|
| Mineral | Olivenite | |
| Location | KM-3 Mine - Lavrion - Attica - Greece | |
| Fluorescence | LW-UV: close SW-UV: close |
|
| Mindat.org |
View Olivenite information at mindat.org |
|
Mindat data
| ID | 2981 |
|---|---|
| Long ID | 1:1:2981:6 |
| Formula |
Cu2(AsO4)(OH)
|
| IMA Status |
0 1 |
| Occurrence | Oxidized zone of a copper deposit |
| Other Occurrences | Commonly found in the oxidized zone of arsenic-bearing copper deposits. |
| Discovery Year | 1786 |
| Diapheny | Translucent,Opaque |
| Cleavage | Indistinct on {101} and {110} |
| Tenacity | brittle |
| Colour | Olive green to yellow or brown, gray-green, grayish white; light green in transmitted light. |
| Hardness (min) | 3.0 |
| Hardness (max) | 3.0 |
| About the name | Originally named arseniksaures kupfererz by Martin Klaproth in 1786 in reference to the chemical composition. Named olivenerz by Abraham G. Werner in 1789 in allusion to its olive-green color. Robert Jameson changed the ending "erz" to "ite" in 1820. Synonyms include: "holzkupfererz" (Bournon, 1801) and "pharmacochalzite" (Hausmann, 1813). |
| Streak | Olive green to brown |
| Crystal System | Monoclinic |
| Cleavage Type | Poor/Indistinct |
| Fracture type | Irregular/Uneven,Conchoidal |
| Morphology | Crystals elongated [100]; also short prismatic to acicular [001]; tabular on {011}, {100}, or {001}, less common. Occurs as globular or reniform masses with a fibrous structure with the fibers straight and divergent, rarely irregular; curved lamellar; massive, granular to earthy; nodular. |
| Twinning | On {010} |
| UV | Not fluorescent in UV |
| Comment Luster | Pearly to silky when it is fibrous. |
| key_elements |
0 1 |
| shortcode_ima | Oli |
| Group | Olivenite Group |
Details
Price: € 20
Dimensions: Not registered
Weight: 58 g
Visibile in overview:
Notes:
| Symbol | Element | |
|---|---|---|
| As | Arsenic |
|
| Cu | Copper | |
| H | Hydrogen | |
| O | Oxygen |