1.6" Light-Blue Shattuckite with Malachite - Tantara Mine, Congo

This is a 1.6" wide, light blue Shattuckite specimen from the Tantara Mine in the Democratic Republic of Congo. There are small fibrous malachite aggregations peppered along one side of the shattuckite.

Shattuckite is a scarce copper mineral highly regarded for its vivid blue color. It is named after the Shattuck Mine in Bisbee, Arizona, where this mineral was first discovered. It crystallizes in the orthorhombic–dipyramidal crystal system and usually occurs in a granular massive form or as fibrous acicular crystals.

Malachite is an intense green copper-based mineral that can be found in a wide variety of forms. Malachite can grow in botryoidal masses, stalactitic formations, 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, banded patterns can sometimes begin to take shape, explaining the rings in all shades of green seen on most polished malachite specimens.

Malachite results from the weathering of other copper ores, and is very often found associated with other copper-based minerals such as azurite and chrysocolla. It can be found in copper deposits around the world, but the Democratic Republic of the Congo is the primary source for polished malachite and mineral specimens.

Malachite has been prized since ancient times, first as a utilitarian copper ore, then as an ornamental stone. Due to its value as a decorative stone, it is rarely mined as a copper ore anymore.
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DETAILS
SPECIES
Shattuckite & Malachite
LOCATION
Tantara Mine, Shinkolobwe, Katanga Province, DR Congo
SIZE
1.6 x 1.1"
CATEGORY
ITEM
#146713