Chrysocolla
| ID | 571 | |
|---|---|---|
| Mineral | Chrysocolla | |
| Location | Unknown - Unknown - Unknown - Unknown | |
| Fluorescence | LW-UV: close SW-UV: close |
|
| Mindat.org |
View Chrysocolla information at mindat.org |
|
Mindat data
| ID | 1040 |
|---|---|
| Long ID | 1:1:1040:1 |
| Formula |
(Cu2-xAlx)H2-xSi2O5(OH)4 · nH2O
|
| IMA Status |
0 1 |
| Other Occurrences | Found in the oxidation zone of copper deposits, often encrusting or replacing earlier secondary minerals. |
| Industrial | A very minor ore of copper. |
| Discovery Year | 315 |
| Diapheny | Translucent,Opaque |
| Cleavage | None |
| Tenacity | brittle |
| Colour | Green, bluish green, blue, blackish blue to black, or brown and rarely yellow |
| Hardness (min) | 2.5 |
| Hardness (max) | 3.5 |
| Luminescence | None |
| Lustre | Vitreous - Dull |
| About the name | The name was first used by Theophrastus in 315 B.C. and comes from the Greek "chrysos", meaning "gold," and "kolla", meaning "glue," in allusion to the name of the material used to solder gold. André-Jean-François-Marie Brochant de Villiers revived the name in 1808. |
| Streak | Light green (unknown for black or yellow varieties) |
| Crystal System | Orthorhombic |
| Cleavage Type | None Observed |
| Fracture type | Irregular/Uneven,Sub-Conchoidal |
| Morphology | Most often found as cryptocrystalline to amorphous botryoidal aggregates and crusts. Crystals reported as fine acicular to fibrous, very rare. |
| Twinning | None reported. |
| key_elements |
0 |
| shortcode_ima | Ccl |
Details
Price: € 2
Dimensions: Not registered
Weight: Not registered
Visibile in overview:
Notes:
| Symbol | Element | |
|---|---|---|
| Al | Aluminium | |
| Cu | Copper | |
| H | Hydrogen | |
| O | Oxygen | |
| Si | Silicium |