3.8" Dark Green Malachite Crystals On Barite Blades Mineral Specimen Tiznit Morocco
Location: Tiznit Province, Morocco
Weight: 1 Pound 2.8 Ounces
Dimensions: 3.8 Inches Long, 3.2 Inches Wide, 1.7 Inches Thick
The item pictured is the one you will receive.
Malachite, a striking copper carbonate hydroxide mineral, is renowned for its vivid green color and distinctive banded patterns. Valued for millennia, it has served as a pigment, ornamental stone, and a source of copper. Morocco has become a prominent source of high-quality malachite, supplying specimens that are highly prized by collectors, artisans, and jewelry makers worldwide.
The formation of malachite is closely tied to the presence of copper deposits. It typically develops in the oxidized zones of copper ore bodies, where copper sulfides react with carbon dioxide and water near the Earth’s surface, resulting in the precipitation of this vibrant mineral. Its iconic banding and concentric patterns form due to variations in copper concentration, water content, and trace impurities during formation. The specific conditions of temperature, pressure, and chemical environment influence the crystal structure and overall appearance of malachite, producing specimens with rich green hues and intricate, captivating patterns.
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.