
Image Credit: Malcolm Southwood
Title
chalcocite (w. quartz)
Principal Mineral
Size
Cabinet; 51mm
Collection
MGMH 2022.4.1786L
Provenance
New, D. ; Feinglos, M.N.
Entry Type
Specimen TSNB448
Description
A shard of siliceous matrix, iron stained and with flat-lying crystals of quartz (to 4 mm), hosts crystals of sooty grey-brown chalcocite (to 5 mm). Chalcocite of both prismatic and twinned (pseudo-hexagonal) habit are present.
The specimen is from the collection of Mark Feinglos who acquired it from David New in December 1976. The location in the mine is not recorded.
Associated Minerals
quartz