Dioptase Cluster 42mm — Dense Emerald Tsumeb Cluster

A thick, closely packed field of small dioptase crystals blankets the matrix on this specimen, creating a natural carpet of brilliant emerald-green points that catch light from every angle. It comes from the Tsumeb Mine in Namibia's Otjikoto region, one of the finest sources of dioptase ever discovered, mined during the mine's final production period between 1998 and 2006.

So what makes such dense coverage significant to collectors? Rather than a few scattered points, this piece shows a full, textured surface of crystals growing tightly together, giving it strong visual impact while still preserving the natural structure of the host rock beneath. That density is exactly what produces the shimmering effect across the whole specimen.

A closer look

The crystals show the classic small prismatic to rhombohedral dioptase habit, their vivid colour coming from copper within the mineral structure. Beyond its purely geological appeal, dioptase carries a long metaphysical association with emotional clarity, transformation, and heart-centred awareness, a reputation many collectors appreciate alongside the specimen's calming green presence.

• Stone: Dioptase
• Form & size: Dense cluster on matrix, approx. 42mm wide, 30mm high
• Weight: 21.6g
• Locality: Tsumeb Mine, Namibia (mined 1998-2006)

Living with your specimen

Display it on a shelf, in a mineral cabinet, or as part of a curated collection where its dense, sparkling texture can be appreciated up close. Handle it gently, since dioptase can be brittle, and clean it only with a soft dry cloth. A specimen with this much crystal coverage from a now-closed mine represents a meaningful, increasingly rare find, one that only becomes harder to source as time passes.

Please note: crystals are not a substitute for professional medical advice, diagnosis, or treatment. Keep small pieces away from young children.