pitticite

pitticite

[′pid·ə‚sīt]
(mineralogy)
A mineral of varying color composed of a hydrous sulfate-arsenate of iron.
References in periodicals archive ?
They often contain inclusions of arsenopyrite, pyrrhotite, or marcasite, and are sometimes covered by a scorodite or pitticite crust.
Associated minerals are: scorodite, pitticite, bukovskyite, kankite, zykaite, gypsum, jarosite and amorphous ferric hydroxides.