Malaquite Rough Stone. Price Kg [0101000748]

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Sizes: 6-8cm

Malachite is 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.Malachite was used as a mineral pigment in green paints from antiquity until about 1800. The pigment is moderately lightfast, very sensitive to acids, and varying in color. The natural form was being replaced by its synthetic form, verditer, among other synthetic greens. It is also used for decorative purposes,

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