Good sized specimen of native copper showing complex crystal faces, typical of these specimens, with good color, brilliance and aesthetics. This specimen is from the findings made in the mid-90 in this American mine. It has not been treated with chemicals, so its color and brightness are natural. From Vilaseca collection, Barcelona.

An interesting specimen of native copper showing laminar aggregates included within a solid slate matrix. A very different than usual for the species and locality.

Good sized specimen of native copper showing complex crystal faces, typical of these specimens, with good color, brilliance and aesthetics. This specimen is from the findings made in the mid-90 in this American mine. It has not been treated with chemicals, so its color and brightness are natural.

Good sized and aerial specimen of native copper showing curved crystal faces, typical of these specimens, with good color and aesthetics. This specimen is from the findings made in the mid-90 in this American mine. It has not been treated with chemicals, so its color and brightness are natural.