Azurita
Azurita is a mineral with formula Cu₃(CO₃)₂(OH)₂, in the Carbonatos group. This specimen comes from Kerrouchene, Caïdat de Kerrouchen, Khénifra, Béni Mellal-Khénifra, Marruecos.
Description
Large aggregate of azurite on a spindle-shaped brecciated matrix.
About Azurita
A secondary copper carbonate that forms in the oxidised zones of copper deposits. Its crystals are commonly tabular or prismatic, with vitreous to silky lustre, and its deep blue colour is characteristic.
About the locality
The Kérouchène area is known for producing azurite specimens with large, well-defined, deep-coloured crystals, commonly on limonitic and goethitic matrices.
Technical data
- Catalogue No.
- 0143
- Composition
- Cu₃(CO₃)₂(OH)₂
- Name
- Azurita
- Group
- Carbonatos
- Category
- Cavella
- Matrix
- Brecha
- Mine
- Kerrouchene
- District / Municipality
- Caïdat de Kerrouchen
- Province
- Khénifra
- Region
- Béni Mellal-Khénifra
- Country
- Marruecos
- Size (cm)
- 9 x 5 x 3.5
- Weight
- 170 g
- Ex-collection
- Eduardo Ruiz Contreras (Geoterraminerales)
- Etymology
- From the Arabic "azur" and the Persian "lazhward", in reference to the deep blue colour.
- Quality
- Muy buena
- Value trend
- Estable
Related specimens
- Abellaíta — España
- Acantita (Paramórfica tras Argentita) — Marruecos
- Andersonita — España
- Andradita (Melanita) — Marruecos
- Apatito — Marruecos
- Aragonito (Pantojo) — España
- Aragonito (Azul (Toralina)) — España
- Aragonito — Italia