EM92AF0: Growths of unusually sharp and well defined Silver crystals that are bright and on matrix, with Calcite and Löllingite. Although we haven’t our own analysis there is a general consensus that these from Tamdrost are really cubic Silver and not pseudomorphs or epitaxial overgrowths.
The specimen has been photographed and published in the magazine ‘Paragénesis’, number 01/2017, page 68, the magazine ‘Mineralogical Record’ on page 448 in the volume 48, number 3, and in the book "Minéraux - Le Guide des Passionnés" (page 51)
Tamdrost Mine, Bou Azzer mining district, Zagora Province, Drâa-Tafilalet Region  Morocco (2016)

Specimen size: 8 × 5.9× 3.3 cm = 3.15” × 2.32” × 1.30”

Main crystal size: 0.3 × 0.3 cm = 0.12” × 0.12”