One beautiful cebinet size specimen of clear quartz crystals, overgrowth by chalcopyrite with nice striation and mirror lustrous galena crystals.
Borieva mine, Madan, Bulgaria
2869
Hot from the mine! One very aesthetic specimen of sphalerite, chalcopyrite, and pyrite overgrowth by exceptionally long quartz needles.
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 excellent, large cabinet size specimen of quartz overgrowth by sphalerite, galena and followed by very well shaped chalcopyrite. Galena is strongly dissolved in the latest stages of the mineralization process.