exclusiveminerals2:
Calcite with hematite inclusions, Tsumeb, Namibia; 16.2 cm across. US$1500
exclusiveminerals2:
Green apophyllite "bowtie", rhomb shaped transparent calcite crystal and pale orange stilbite crystal group on basalt matrix partially encrusted with microcrystalline colorless drusy quartz, Jalgaon, North Maharastra, India;
exclusiveminerals2:
Calcite crystal twins on lenticular marcasite, Cadjebut Mine, near Broome, Western Australia (state), Australia; Ex Jeff Rondello Collection: 16.2 cm across. US$1500
exclusiveminerals2:
Calcite crystals with microcrystallinen pyrite and hematite, China; Ex Professor Stephen Smale collection; 17.8 cm across