• Chrysocolla ps. after Malachite ps. after Azurite with Quartz
  • Chrysocolla ps. after Malachite ps. after Azurite with Quartz
Pseudomorphs

Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,750.00   €1,440  £1,300.00 approx.  

This specimen is priced in US dollars, all other prices are approximate.

ID: CC20869
This striking double pseudomorph of intense sky-blue Chrysocolla replacing Malachite after Azurite and coated in Quartz is probably best described as resembling luxurious blue draped curtains hanging in deep folds over which occasional patches of dark blackish-green micro-crystallised Malachite adhere.  This specimen is from a magnificent recent find in the Tenke-Fungurume area of the Democratic Republic of the Congo (DRC) in Central Africa.  The actual structure is one of various sized Chrysocolla crystals, replacing Malachite and formerly Azurite.  These pseudomorphs typically form tapering curved crystals in Gothic arch-style, but in this specimen adopt a typical Azurite habit with parallel sides and a well-defined angled termination.  These are entirely encrusted with sparkling micro-Quartz crystals with a bright glassy lustre, save for areas mainly around the base where the paler, more powder-blue Chrysocolla is exposed.  Beneath the Quartz, the Chrysocolla is a stunning sky blue and throughout the base can be seen a remnant core of deep leaf-green Malachite occurring as micro-crystals.  The Tenke-Fungurume area delineates a 30 km copper-cobalt mineralised zone between Tenke hill in the NW and Fungurume hill in the SE of the Kolwezi mining district.  The region holds large ore reserves and to date a suite of 31 minerals have been recorded, including some exceedingly rare copper species.  A striking, good-size miniature pseudomorph from the Kolwezi mining district of the DRC.

Details

Dimensions
5.0 × 4.0 × 3.0 cm
Categories
Carbonates, Pseudomorphs, Quartz and Agate, Silicates
Locality
Tenke-Fungurume area, Kolwezi mining district, Lualaba, DR Congo, Africa

Minerals on Specimen

Minerals on specimen
Chrysocolla, Malachite, Quartz

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