Sep 15, 2023
Autumn colors
Calcite, Quartz, Irai, Brazil, photo by Rob Lavinsky
Tremolite, Anthophyllite, Talc, Balmat, NY, USA, photo by Christoper Clemens
Magnesiovoltaite, Alcaparrosa Mine, Chile, photo by Gianfranco Ciccolini
Chalcedony (plume agate), Ayask, Iran, photo by Takehiro Touge











