Copper cup
As Kupferpecherz is called one by weathering mostly in the oxidation zone Resulting copper - ore .
Copper pecherz has a fine-grained to massive structure, has a pitch black color and consists primarily of the secondary minerals cuprite , tenorite (copper black ), azurite and malachite , as well as remains of covelline and chalcopyrite from which it emerged. Another weathering product is often limonite (brown iron ore), a mixture of goethite and lepidocrocite , part of copper pechers and sometimes also solid copper.
See also: List of individual mineral mixtures
literature
- Martin Okrusch, Siegfried Matthes: Mineralogy: An introduction to special mineralogy, petrology and deposit science . 7th edition. Springer Verlag, Berlin, Heidelberg, New York 2005, ISBN 3-540-23812-3 , pp. 36 u. 282 .
Web links
- Copper cup In: Mineralienatlas Lexikon. Stefan Schorn u. a., accessed on July 27, 2020 .