Fischesserite, Gold, Clausthalite, Klockmannite, Naumannite
Hope's Nose, Torquay, Torbay, Devon, England, UK
Reflected light digital image in plane polarized light of fischesserite (f) in association with native gold (g), clausthalite (cl), and klockmannite/naumannite (kl) in calcite matrix. Horizontal field 80 microns.
Reference: C. J. Stanley, A. J. Criddle and D. Lloyd (1990) Precious and Base Metal Selenide Mineralization at Hope's Nose, Torquay, ...
© Günter Grundmann, Detmold, Germany