Dioptase (on calcite)

TSNB826
Specimen
Exhibit 1. Dioptase (on calcite); 85 mm.
Exhibit 1. Dioptase (on calcite); 85 mm.
Image Credit: Malcolm Southwood photo; courtesy of the Tsumeb Museum, Namibia

Specimen Title

Dioptase (on calcite)

Associated Minerals

calcite; conichalcite-duftite (?); hematite

Principal Mineral

Dioptase

Size

Cabinet; 85mm

Location in the Mine

Second oxidation zone; 32 Level; Zero Stope

Collection

Tsumeb Museum, Namibia

Entry Number

Specimen; TSNB826

Associated Minerals

calcite; conichalcite-duftite (?); hematite

Description

Dioptase crystals (to 3.5 mm) on a crust of white calcite over a hematite-stained carbonate matrix. Grey-green spherules of conichalcite-duftite (?) are liberally scattered on the dioptase.

The display level attributes the specimen to Zero Stope on 32 Level in the second oxidation zone.