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 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.
One excellent miniature specimen of clear quartz crystals overgrowth by several twined and very well terminated chalcopyrite crystals, followed by black and very lustrous sphalerite – marmatite tetrahedral crystals, covered by round yellow-orange dolomite
An amazing specimen presenting a mirror lustrous strongly dissolved galena crystals, overgrowth by thin clear quartz crystals and covered by green small spherulites of chamosite.