Image Credit: Sharon Cisneros
Specimen Title
Aragonite (w. dolomite, malachite and quartz)
Associated Minerals
dolomite; malachite; quartz; tennantite subgroup
Principal Mineral
Size
Miniature; 32mm
Location in the Mine
Undetermined
Collection
Cisneros, S. & E.
Entry Number
Specimen; TSNB972
Description
A loose intergrowth of sharp white pseudo-hexagonal trillings (to 15 mm) of aragonite a little sulphide matrix consisting mainly of tennantite on which tiny rhombohedral crystals of colourless dolomite, microcrystals of quartz and sparse sprays of malachite are also present.
The specimen has not been analysed, but the density and habit of the aragonite are consistent with the lead-bearing variety tarnowitzite.
The specimen is in the collection of Sharon and Eugene Cisneros.
