Cleiophane green sphalerite with quartz cluster crystal from Bulgaria 51g

A natural cleiophane (green sphalerite) and quartz cluster from Bulgaria, measuring 54x51x21mm and weighing 51g. The cleiophane shows characteristic green tones with resinous to adamantine luster, growing alongside white quartz crystals on a shared matrix. At roughly 5cm across, this is a compact but well-formed cluster with good color saturation in the sphalerite areas.

A handy cabinet specimen for collectors interested in Bulgarian cleiophane. Natural green sphalerite Bulgaria, cleiophane quartz cluster, small sphalerite specimen, adamantine luster mineral, Bulgarian mineral cabinet piece, green sphalerite display, untreated sphalerite natural.