MALACHITE , Cu2CO3(OH)2 - Copper Carbonate Hydroxide. Beautiful 1-3/4" Malachite Egg showing the layered bands of light and very,very dark green Malachite. From Republic of the Congo. Specimen is much darker then the prevouse two.The darker side of specimen is almost black with fine lighter dark green making irregular circles.Weight 95.4 grams. These are a lot larger then the exaples you will find on the market place today.