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Zincolivenite
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This is an excellent example of the mineral formerly known as Olivenite (now reclassified as Zincolivenite) from the legendary Tsumeb Mine in Namibia. Comprised primarily of a single, deep-green unusually robust crystal, this thumbnail has several attractive characteristics that adds to its quality. The crystal is prismatic with a classic, chisel-point termination. Within that, the actual texture of the surface is jagged and sharp on a micro scale. Whether from growth or from subsequent etching, these sharp edges allow light to pass through efficiently, thus showing off the true, green color to good effect. There is a small sidecar that adds even more to the aesthetics. Being so richly deep dark green, it would not be unreasonable to consider this a Cuproadamite (and they were labelled as Cu-Adamite or as Olivenite about 50-50 split over the decades until this was sorted out). This specimen is indeed within the Adamite-Olivenite solution series and such relationships within the solution series has historically made visual identification a bit more problematic. Choice, stark single crystal with dramatic termination! From the well-known Tsumeb-specific thumbnail collection of Dick and Mary Nelson, built mostly from 1980-2010. Laszlo Kupi photo.
Product details
SizeThumbnail
Dimensions1.7 x 1.1 x 0.9 cm
Locality
SKUNTN25-01
Listed on04/24/2026
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