Images
Formula: CaCo2(AsO4)2.2H2O
Arsenate,
tsumcorite group,
cobalt-bearing mineral
Specific gravity: 4.2
Hardness: 4½
Streak: Light brown
Colour: Light brown to reddish brown
Environments
Cobaltlotharmeyerite is a secondary phosphate mineral
found in cobalt and nickel bearing ore
dumps and in the oxidation zone of polymetallic ore deposits
(Webmin, HOM).
Localities
In the Bou Azzer mining district, Drâa-Tafilalet Region, Morocco, cobaltlotharmeyerite is associated with
roselite, anorthoroselite,
dolomite and quartz
(HOM).
At the at the Tazalaght Cu-As deposit, near Tazalaght, Bou Azzer mining district, Drâa-Tafilalet Region, Morocco,
cobaltlotharmeyerite is associated with erythrite and
heterogenite
(HOM).
At the Rappold and Pucher mines, Schneeberg, Erzgebirgskreis, Saxony, Germany, cobaltlotharmeyerite is
associated with pharmacoalumite,
bariopharmacosiderite,
arseniosiderite, zeunerite,
olivenite and rooseveltite
(HOM).
At the type locality, the Roter Berg mining district, Zschorlau, Erzgebirgskreis, Saxony, Germany,
cobaltlotharmeyerite occurs as thin-tabular, bladed crystals to 0.1 mm, associated with
cobalt and nickel bearing
mawbyite, zeunerite,
waylandite, tsumcorite,
cobalttsumcorite,
rooseveltite,
pharmacoalumite, olivenite,
bariopharmacosiderite,
galena, arseniosiderite and
plumbogummite
(HOM, Mindat).
Back to Minerals