FMF Minerals Gallery

Analcyme on Calcite (with Mesolite inclusions in the Analcyme) crystals are about 2mm across - image taken through microscope (Author: Colleen Thomson)

Analcyme on Calcite (with Mesolite

Cacoxenite in Quartz, Area shown is approx.1.5cms across. Collected in the dumps of the Chala Gold Mine, Spahievo Ore Field, Bulgaria (Author: Colleen Thomson)

Cacoxenite in Quartz, Area shown i

Cacoxenite on Quartz - Chala Gold mine. Spahievo Ore Field, Bulgaria. FOV> 1.5cms across (Author: Colleen Thomson)

Cacoxenite on Quartz - Chala Gold

Don’t laugh - it took hours panning in a stream to get this speck of Gold -got eaten alive by Bulgarian Mozzies....... (Author: Colleen Thomson)

Don’t laugh - it took hours

They may not be in the same league as pyrite from Navajun - but i guarantee not as many folks have these! collected from a Gold mine in Snowdonia, North Wales, the Pyrites crystals are about 1cm on edge. (Author: Colleen Thomson)

They may not be in the same league

Very large 250cm x 250cm approx. scalenohedral Calcites from a phreatic cave within a North Wales Quarry - happy times :-) (Author: Colleen Thomson)

Very large 250cm x 250cm approx. s