One very aesthetic cabinet-size specimen of thin, very well-shaped clear quartz crystals, coated by limonite and overgrowth by very lustrous pyrite crystals.
One beautiful cebinet size specimen of clear quartz crystals, overgrowth by chalcopyrite with nice striation and mirror lustrous galena crystals.
Borieva mine, Madan, Bulgaria
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 very aesthetic cabinet-size specimen of transparent quartz crystals in the upper part covered by limonite.
A perfect specimen of isometric transparent green sphalerite- cleophane crystals, developed on quartz.
Krushev dol mine, Madan, Rhodope mountains, 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.
An extremely beautiful and rare specimen of mirror shiny skeletal developed galena, combined with Japanese law twin in quartz, and chamosite. There are „fingerprint „signs on the galena crystal, due to the desolvation process.