• Calcite pseudomorph after Aragonite Var. Tarnowitzite
  • Calcite pseudomorph after Aragonite Var. Tarnowitzite
  • Calcite pseudomorph after Aragonite Var. Tarnowitzite
  • Calcite pseudomorph after Aragonite Var. Tarnowitzite
Carbonates

Calcite pseudomorph after Aragonite Var. Tarnowitzite

$1,250.00   €1,124  £990.00 approx.  

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

ID: CC16431
A beautiful and fascinating pseudomorph of Calcite replacing Tarnowitzite, the plumbian variety of Aragonite. The original morphology was two broad stubby crystals joined at their base and then slightly separated in sub-parallel growth, measuring 5.2 x 2.4 x 1.8 cm and 3.7 x 2.3 x 1.8 cm.  The Calcite which has replaced the Aragonite has formed an outer shell of 1 to 2 mm rhombohedral Calcite crystals of pure snow-white and brilliant lustre, with the core filled with a coarsely granular porous mix of Calcite and some, likely, remains of the Tarnowitzite.  A choice Calcite pseudomorph from Tsumeb.

Details

Dimensions
5.2 × 5.0 × 2.9 cm
Categories
Calcite, Carbonates, Pseudomorphs
Locality
Tsumeb Mine, Tsumeb, Oshikoto Region (Otjikoto Region), Namibia

Minerals on Specimen

Minerals on specimen

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