copiapite


Also found in: Dictionary, Wikipedia.

copiapite

[′kō·pē·ə‚pīt]
(mineralogy)
Fe5(SO4)6(OH)2·20H2O A yellow mineral occurring in granular or scalar aggregates. Also known as ihleite; knoxvillite; yellow copperas.
A group of minerals containing hydrous iron sulfates.
References in periodicals archive ?
Copiapite and its Al and Mg-analogs, aluminocopiapite and magnesiocopiapite, are relatively common secondary minerals in old workings of the Andrassy I, II and the Vilmos sections.
In laboratory leaching studies he reported the following sulfates: jarosite, alunite, melanterite, copiapite and yavapaiite.
A similar material associated with chalcopyrite could be copiapite or cuprocopiapite.
On level 33 it is extremely common in octahedral crystals to 3 mm on halotrichite, pink coquimbite, red botryogen, blue chalcanthite, brown jarosite, yellow copiapite and many other complex sulfates .