Quartz after stilbit pseudomorph

A very nice and aesthetic pseudomorph specimen of elongated crystals of stilbite and small spherolites of dolomite, covered and replaced by tiny quartz crystals.

Sphalerite – marmatite with quartz

Beautiful specimen of extremely well terminated black opaque sphalerite – marmatite, on the top of transparent clear quartz crystals. Marmatite form a tetrahedral crystal with well terminated lustrous faces.

Rhodochrosite, spherolites with quartz

A very rare large cabinet size specimen, presenting spherolites of small curved rhodochrosite crystals on the top of transparent quartz crystals. Due to different presence of manganese in that spherolites, their color vary from yellow to orange color.

Aragonite, quartz

A very aesthetic, large cabinet size specimen of aragonite aggregates on quartz

Rare green quartz – prazem, galena, pyrite, chalcopyrite and quartz

One beautiful and rare cabinet size specimen, presenting almost full paragenesis set of Madan deposit. Galena is with large cubic skeletal crystals and mosaic developed crystal faces, overgrowth by large green quartz crystals and chalcopyrite, which is secondary oxidated and replaced by pyrite well shaped shiny crystals.