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Price: With the exception of the small pieces in the lower right photo (typically $5 to $15 each), most specimens are priced in the $40 to $150 range. Larger specimens (not shown) are costly and are a few hundred dollars. The malachite ashtray (lower left photo) sold for $120.
Malachite is a green, very common secondary copper mineral with a widely variable habit. Typically it is found as crystalline aggregates or crusts, often banded in appearence, like agates.It is also often found as botryoidal clusters of radiating crystals, and as mammillary aggregates as well.alachite is a green, very common secondary copper mineral with a widely variable habit. Typically it is found as crystalline aggregates or crusts, often banded in appearence, like agates.