
Image Credit: Malcolm Southwood
Specimen Title
dioptase
Associated Minerals
calcite; conichalcite-duftite
Principal Mineral
Size
Miniature; 45mm
Location in the Mine
Second oxidation zone; 30 Level; East 19
Provenance
Innes, J.; Zweibel, J.; Strife, S.; Lavinsky, R.
Collection
Southwood, M.; MS2009.057
Collected by
John Innes; (not assigned)
Entry Number
Specimen; TSNB439
Description
A dominant free-standing crystal of gemmy dioptase (15 mm), accompanied by several smaller crystals and accented with a little off-white calcite, some of which is iron-stained. A trace amount of conichalcite-duftite (visually identified) is also present.
The specimen was formerly in the collection of Tsumeb Corporation mineralogist John Innes and was one of a number of specimens selected for purchase by Julius Zweibel, shortly before Innes' death. It was subsequently in the collection of Stuart Strife (Texas) and acquired by its current owner from Rob Lavinsky.