|Measurements: 85 x 84 x 58
Description: Botryoidal malachite on a conglomorate matrix of mica and (?)rock.
A number of malachite balls are damaged.
Weight of Specimen: 482 g
Chemical Composition: Cu2+(CO3)(OH)2 (malachite)
Hardness on Mohs Scale: (malachite) 3.5 - 4
US $ 85....