Description
An intricate web-like copper-bearing slab from Garut, West Java, Indonesia. Blue-green chrysocolla follows a branching network with dark borders and scattered native copper highlights, contrasting with the finely speckled gray host rock. Open cavities add depth and reveal portions of the mineralized framework.
The matrix is reported to be volcanic tuff, a rock formed from consolidated volcanic ash. “Copper web” describes the specimen’s distinctive appearance.
Weight: 104 g
Dimensions: Approximately 110 × 65 × 7 mm
Locality: Garut, West Java, Indonesia
The specimen shown is the exact piece offered. Handle carefully and support the slab during display, particularly around its cavities and thin edges.
Held in Old Earth Minerals’ inventory for approximately five years, this piece is now being offered for sale.