Brochantite and Azurite crystals from Tarma, Peru – 1 unique flat
This flat with Brochantite and Azurite crystals from Tarma, Peru contains a varied collection of colorful copper minerals. The specimens display the characteristic blue and green mineralization typical of oxidized copper deposits and present an attractive association of Azurite and Brochantite on contrasting matrix material. The vivid colors and diverse appearances make this collection especially appealing for mineral collectors.
Azurite is one of the best known secondary copper minerals and is highly valued for its deep blue color. Brochantite forms characteristic green crystal coatings and aggregates that create an attractive contrast with the Azurite. This flat provides an excellent overview of the mineral diversity found in a classic South American copper occurrence.
Geology & Origin
The Tarma region of Peru is known for numerous ore deposits where copper minerals became enriched through weathering processes. Under oxidizing conditions, minerals such as Azurite and Brochantite commonly form together. Their intense coloration makes them highly desirable collector minerals and typical representatives of the oxidation zones of copper bearing deposits.
Abbreviations commonly used in mineralogy.
| Abbreviation | Meaning |
| xl | single crystal, possible with matrix |
| xls | noticeable crystals |
| (xl) | embedded or damaged |
| (xls) | embedded or damaged |
| MASS | massive and/or amorphous pieces |
| TYP | type locality of the original description |
| SWUV | shortwave-UV-reaction |
| UV | ultraviolet reaction |
| SC | self-collected |
| U | unique (single unique piece) |