Duftite & Tenorite Mineral Specimen Mexico

Duffite is a complex lead cupric hydroxy arsenate. It is usually found as an oxidation product of weathered ore deposits. It is usually a bright green color similar to and often mistaken as malachite. There are some nice crystal sprays of duftite in this specimen along with tufts of the copper oxide tenorite. This specimen is an old specimen from Zacatecas, Mexico.