Calcite (w. dioptase and conichalcite-duftite)

TSNB819
Specimen
Exhibit 1. Calcite (w. dioptase and conichalcite-duftite); 140 mm.
Exhibit 1. Calcite (w. dioptase and conichalcite-duftite); 140 mm.
Image Credit: Malcolm Southwood photo; courtesy of the Tsumeb Museum, Namibia
Exhibit 2. 75 mm field of view.
Exhibit 2. 75 mm field of view.
Image Credit: Malcolm Southwood photo; courtesy of the Tsumeb Museum, Namibia
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Specimen Title

Calcite (w. dioptase and conichalcite-duftite)

Associated Minerals

conichalcite-duftite; dioptase 


Principal Mineral

Calcite

Size

Cabinet; 140mm

Location in the Mine

Second oxidation zone; 30 Level; South 110

Collection

Tsumeb Museum, Namibia

Entry Number

Specimen; TSNB819

Associated Minerals

conichalcite-duftite; dioptase 


Description

Milky, off-white calcite rhombs (to 30 mm), with a slightly etched appearance. Selected faces (directionally controlled) are encrusted with pistachio-green conichalcite-duftite microcrystals and sparse sub-mm crystals of gemmy green dioptase (Exhibit 2).

The display label attributes the specimen to South 110 stope on 30 Level in the second oxidation zone.