Cuproadamite – Deep green crystal cluster from Tsumeb, Namibia | 40 mm

This exceptional cuproadamite specimen comes from the famous Tsumeb mine in Namibia and impresses with its intensely green, glass-like lustrous crystals.

Numerous densely intergrown crystals cover large parts of the natural rock matrix. Particularly impressive is the interplay of different shades of green: from vibrant emerald green to deep, almost black bottle green.

The partially transparent crystal areas reflect light from different directions, making the surface sparkle beautifully.

Light green mineral sections and the brownish rock matrix form a fascinating contrast to the dark green crystals.

With a size of 40 × 21 mm and a weight of 20.4 grams, this specimen is an attractive collector's item from one of Africa's most famous historic mineral localities.

Origin & Mineralogy

• Mineral: Cuproadamite (historical term for copper-bearing adamite)
• Locality: Tsumeb Mine, Otavi Mountains, Namibia
• Size: approx. 40 × 21 mm
• Weight: 20.4 g
• Color: Emerald green to dark green
• Luster: Glassy
• Habit: Densely intergrown crystals on natural matrix
• Special feature: Intense green color and numerous clearly defined crystal faces

What is cuproadamite?

Cuproadamite is a historical mineralogical term for copper-bearing adamite.

The copper content can give the mineral its characteristic green coloration.

Many of the green crystals from Tsumeb formerly referred to as cuproadamite are now mineralogically classified as zincolivenite.

An exact distinction requires chemical analysis. The labeling of this specimen corresponds to the existing original label.

The famous Tsumeb mine

The historic Tsumeb mine in northern Namibia is among the most significant mineral localities in the world.

It is internationally renowned for its extraordinary variety of mineral species and colorful crystal formations.

The unique geological conditions of the deposit enabled the formation of numerous copper, zinc, and lead minerals.

The intensely green crystal specimens, in particular, are among the most fascinating collector's items from this tradition-steeped locality.

A natural unique specimen

You will receive the exact crystal cluster pictured with the dimensions 40 × 21 mm and a weight of 20.4 grams.

The specimen is supplied with the existing locality label.

A special single piece for mineral collectors, lovers of rare minerals, and collectors of historic Tsumeb specimens.

Do not grind, crush, or ingest. Wash hands after handling and keep out of reach of children and pets.


We hope you enjoy browsing through our shop; if you like what you see, we would be very happy if you would follow us here :)

"A stone is the condensed history of the universe"

~Art of Nature Berlin~