4.4" Dark Green Malachite Crystals On Barite Blades Mineral Specimen Tiznit Morocco

Location: Tiznit Province, Morocco

Weight: 15 Ounces

Dimensions: 4.4 Inches Long, 2.9 Inches Wide, 2 Inches Thick

The item pictured is the one you will receive. 

Malachite, a copper carbonate hydroxide mineral, is renowned for its vibrant green color and distinctive banded patterns. Its historical significance spans millennia, serving as a pigment, an ornamental stone, and a source of copper. Morocco, in particular, has emerged as a significant source of high-quality malachite, contributing to its global availability and appreciation.

The geological formation of malachite is intrinsically linked to the presence of copper deposits. It typically forms in the oxidized zones of copper ore bodies, where copper sulfides react with carbon dioxide and water. This process, often occurring near the Earth's surface, results in the precipitation of malachite. The characteristic banding observed in malachite is a consequence of variations in the concentration of copper, water, and other impurities during its formation, leading to successive layers of different shades of green or even concentric patterns. The specific conditions of temperature, pressure, and chemical environment dictate the crystal habit and overall appearance of the malachite.

Morocco's geological landscape is rich in mineral resources, including significant copper deposits, which are the prerequisite for malachite formation. The country's mining history dates back centuries, with various minerals being extracted for both domestic use and trade. The malachite found in Morocco often exhibits exceptional color saturation and intricate banding, making it highly sought after by collectors and artisans. The precise locations of malachite occurrences within Morocco are often associated with established copper mining regions. These regions typically feature geological formations conducive to the oxidation of copper ores, such as fault zones, shear zones, and areas with significant hydrothermal alteration. The presence of limestone or other carbonate-rich rocks can also facilitate malachite formation by providing the necessary carbonate ions.