2.5" Silky Fibrous Malachite Cluster - Congo
This specimen was collected from the Miringi Mine in Katanga Province, Congo and contains hundreds of fan-like formations of fibrous malachite, with some clusters resembling botryoidal projections. The entire specimen has a beautiful silky shimmer and an aesthetic natural display.
Malachite is a basic copper carbonate with the chemical formula Cu2CO3(OH)2. This mineral is known for its intense green color, along with the wide variety of formations and patterns that it's found in. Malachite can grow in botryoidal masses, stalactitic, and reniform formations, typically as a tight cluster of fanning fibrous needles that make up a seemingly solid mass. As layers continue to stack during formation, a banded pattern can sometimes begin to take shape, which explains the rings in all shades of green that are seen on most polished malachite specimens.