1.76" Blue Azurite on Fibrous Malachite - Congo

This is a cool specimen from the Kimbwe Mine in the Congo. There are some deep blue azurite crystals on top of velvety, fibrous Malachite.

Azurite is a copper carbonate hydroxide mineral best known for its beautiful and vibrant blue appearance. Azurite typically forms in nodular formations with other colorful, copper-rich minerals. It is a secondary mineral that precipitated in pores, crevices, and caverns from water with high concentrations of carbon dioxide.

Azurite and malachite are known to form in union with each other since their chemical makeup is very similar. In fact, the presence of more or less water in the location of formation is enough to determine whether an abundance of malachite over azurite, or vise-versa, will accumulate.
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DETAILS
SPECIES
Azurite on Malachite
LOCATION
Kimbwe Mine, Katanga Province, Congo
SIZE
1.76" wide
CATEGORY
ITEM
#33523