magnesiocopiapite

magnesiocopiapite

[mag‚nē·zhō·′kō·pē·ə‚pīt]
(mineralogy)
MgFe4(SO4)6(OH)2· 20H2O A mineral of the copiapite group composed of hydrous basic magnesium and iron sulfate; it is isomorphous with copiapite and cuprocopiapite.
References in periodicals archive ?
Yellow and blue magnesiocopiapite and aluminocopiapite, white epsomite and wilcoxite, and blue chalcanthite coat the hematite walls.
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.
Magnesiocopiapite is easily found and identified by its bright yellow color, The distinctive yellow-green hue of slavikite can perhaps be noted by the sharp-eyed, but the amounts are generally so small that it is difficult to find.
3 mm in size, associated with magnesiocopiapite on rock surfaces and crevices.
clinoenstatite for the monoclinic dimorph of enstatite, or magnesiocopiapite for the Mg analog of copiapite.