$German Democratic Republic's postage stamp with a picture of malachite, a copper carbonate hydroxide mineral, with the formula Cu2CO3(OH)2. This opaque, green banded mineral crystallizes in the monoclinic crystal system, and most often forms botryoidal, fibrous, or stalagmitic masses, in fractures and spaces, deep underground, where the water table and hydrothermal fluids provide the means for chemical precipitation.$

german república democrática del sello postal con una imagen del restaurante malachite

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Author: istock
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Vertical Detalle de primer plano Primer plano Verde - Color Mineral Cristal - Estructura física Sello postal Sin personas Fotografía - Imágenes Malaquita Número 20 Macrofotografía Alemania del Este Fondo negro Opacidad