One excellent tumbnail specimen of dark – indigo color amethyst covered particularly by small and very lustrous pyrite crystals
One excellent specimen of cubic developed galena covered by quartz. Galena crystals are with mirror like surface what makes this specimen very aesthetic.
One of the last pieces of Bulgarian famous cavity of transparent sphalerite – cleophane with intensive green-emerald color. The piece is completely transparent, but in its down part, there is a shadow, following the zoning of crystal development of around 10 % of the volume. The picture is taken in transmitted (back) led light.
One excellent cabinet size specimen of very well developed Spinel law twins in Galena, on the top of sphalerite(marmatite) and quartz and pyrite, covered by green color chlorite
One excellent cabinet size specimen of parallel developed dark amethyst crystals covered by well terminated lustrous pyrite crystals.
A nice tumbnail specimen of transparent quartz – rock crystal with isolzted crystals of skeletal developed galena, sphalerite an pyrite
One very nice , cabinet size specimen of well terminated cubic pyrite crystals, covered by quartz strongly oxidated to bornite in some parts of the specimen.
One exceptionally aesthetic, large cabinet size specimen, of well developed quartz crystals secondary coated by limonite.
One excellent floater of galena crystal with skeletal development, secondary dissolved and overgrowth by chalcopyrite.
One exceptional cabinet size specimen presenting excellent and very aesthetic specimen of well shaped isometric sphalerite – cleophane transparent green crystals followed by small cubic galena crystals and short quartz crystals.