Botryoidal Malacite with Silky Formations

One super cool Malachite Speciman. One Side has Botryoidal formations, the other Silky. 

There are some amazing Malachite's and other copper type minerals coming from the Congo. Being a copper mineral, the weight to size ratio of specimens can have a wide range of variation depending on the density of the material.

Approximate measurements.
9.5cm x 9cm x 4.9cm. 269grams