One very interesting, strongly weathered, large cabinet-size specimen of black sphalerite-marmatite and quartz, covered by very well-developed chalcopyrite crystals, lately internally corroded and replaced by pyrite.
One beautiful miniature specimen of rhodochrosite, chalcopyrite, and sphalerite.
Sturnitsa mine, Davidkovo area, Smolian region, Bulgaria
Hot from the mine! One very aesthetic specimen of sphalerite, chalcopyrite, and pyrite overgrowth by exceptionally long quartz needles.
One perfect, cabinet-size specimen, of skeletal developed galena, overgrowth by sphalerite-marmatite, chalcopyrite, quartz, and pyrite. Galena has rounded crystals, due to desolvation.
One perfect miniature specimen of very well-shaped rhodochrosite spherulites, developed on quartz, sphalerite-marmatite, and pyrite
A very aesthetic cabinet-size specimen of very lustrous black sphalerite marmatite crystals, overgrowth by clear rock crystal.
One vibrant color cabinet size specimen of oxidized galena followed by chalcopyrite, sphalerite – marmatite, pyrite, and quartz
size 72 x 64 x 28 mm
One exceptional and very aesthetic cabinet size specimen of small cubic and very lustrous galena and pyrite crystals, covered by very thin clear small quartz crystals, very interesting arranged in the space, forming the starts like groups of crystals.