Malachite, Fibrous

Malachite, FibrousA vivid and richly colored copper based mineral, Malachite is known for its deep green coloration, resulting from the oxidation of its copper and sulfide components. Malachite has been mined for both use in copper tools and for ornamentation and jewelry. It rarely occurs in crystal form but is often found in botryoidal or fibrous formations. The rich, silky and lustrous texture of these fibrous Malachite specimens from Congo combined with the

and when exposed to the elements over a long period of time can change into the closely related malachite

Each specimen is expertly prepared

Only known from a relatively small number of formations worldwide

from the Upper Silurian age

Due to its incredibly vivid and deep coloration

One of the most widely recognized and unmistakable minerals

flat barite crystals arranged in densely packed rosettes in hues of rose

copper has been used by humans as ornamentation

with box - 8

and is one of the more common gems although pieces of exceptional hue and clarity are considered fairly rare and can be extremely valuable

Stibnite is a remarkable metallic mineral in the sulfide class that often forms impressive

botryoidal quartz