A DRAMATIC and SHOWY CABINET specimen from the famous El Cobre Mine of Zacatecas, Mexico of lustrous/sparkly, translucent quartz crystals to 2.0 cm on matrix and partially coated with bright green, needle malachite crystals. An fine, old-time specimen with excellent architecture, and rare in such size and import. This is a very important mining district from which relatively few specimens ever came out. 13.5 x 9.0 x 7.0 cm