“Small white quartz replaces large calcite crystals up to 10 cm in height. From one side, quartz is covered by small pyrite crystals with another layer of quartz over the top of these. The matrix consists of larger sphalerite and smaller bournonite. A very spectacular and three-dimensional piece.”

“Small white quartz replaces large calcite crystals up to 10 cm in height. From one side, quartz is covered by small pyrite crystals with another layer of quartz over the top of these. The matrix consists of larger sphalerite and smaller bournonite. A very spectacular and three-dimensional piece.”

“Small white quartz replaces large calcite crystals up to 10 cm in height. From one side, quartz is covered by small pyrite crystals with another layer of quartz over the top of these. The matrix consists of larger sphalerite and smaller bournonite. A very spectacular and three-dimensional piece.”