• Olivenite with Gartrellite after Mimetite
  • Olivenite with Gartrellite after Mimetite
  • Olivenite with Gartrellite after Mimetite
  • Olivenite with Gartrellite after Mimetite
  • Olivenite with Gartrellite after Mimetite
Phosphates, Arsenates and Vanadates

Olivenite with Gartrellite after Mimetite

$8,500.00   €7,553  £6,430.00 approx.  

This specimen is priced in US dollars, all other prices are approximate.

ID: CC15381
Let me begin by saying I’ve personally collected Tsumeb minerals for 35 years and regarding specimens of Olivenite, this is certainly right up there with the best and most interesting.  A very rich and mineralogically complex supergene cabinet specimen of dark olive-green crystalline Olivenite with neon yellow lime green Gartrellite and green Bayldonite forming pseudomorphs after Mimetite.  A later development of bladed Azurite crystals, partly replaced by Malachite, has also formed on the Olivenite.  The Olivenite forms superbly crystallised spherical clusters to about 4 mm diameter all over the specimen, contrasting wonderfully against the Gartrellite.  The majority of the base is a solid mass of Gartrellite, with an intensity of vibrant lime green akin to that of uranium minerals.  Where the Azurite is unaltered, it remains a stunning inky to electric blue and where pseudomorphed to Malachite, this forms velvet textured replicas of the Azurite morphology, as fine acicular silky fibrous crystals.  A magnificent specimen, one brimming with paragenesis to study and enjoy from the Tsumeb mine in the Oshikoto Region of Namibia.  The specimen is accompanied with a Crystal Cellar label.

Details

Dimensions
8.6 × 5.0 × 5.0 cm
Categories
Phosphates, Arsenates and Vanadates
Locality
Tsumeb Mine, Tsumeb, Oshikoto Region (Otjikoto Region), Namibia

Minerals on Specimen

Minerals on specimen
Olivenite

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