Posnjakite, Cerussite

Specimen ID: U4F-82W

Mineral(s)
Posnjakite : Cu4(SO4)(OH)6·H2O
Cerussite : PbCO3
Locality
As recorded:
Tsumeb, Otavi-Bergland district, Oshikoto, Namibia
Dimensions
65mm x 49mm x 26mm
Description
A complete floater, this twinned Cerussite is crystallized all around and is in pristine condition. Dusted with Micro crystals of Posnjakite and perhaps a few other species, which add a nice color contrast. The individual arms are complex, multi-faced, parallel growth crystals which are lustrous and in some areas transparent. Text book habit with the twinning well defined and esthetic.
Previous data
Mineral(s)
Name withheld

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4,267,308 minIDs have been issued as of 24th Apr 2019 7:26 pm BST