1789 Silver, Acanthite, Magnet Mine, Waratah, Tasmania
Acanthite on native silver. Width of view 1.75mm. Stack of 40 images.
1778 Fluorite, Quartz, Ojuela Mine, Mapimi, Mun. de Mapimi, Durango, Mexico
Purple fluorite crystals on quartz
1730 Marcasite, Fluorite, Mt Bischoff, Waratah, Tasmania
More likely pyrite
1684 Willemite, Mimetite, Red Cloud Mine, Silver District, Trigo Mts, La Paz Co., Arizona, USA
Old mount with label of Yuma Co which predatesthe split of Yuma into the La Paz and Yuma counties.