Malachite is a carbonate mineral of copper, which as you probably know is great at conducting energy. Malachite has been used by ancient cultures as a very transformative stone including the Ancient Egyptians, who used the power of malachite to effect great change within their physical bodies, believing it helped to heal at the cellular level. They used it in jewelry & carved ornaments out of it. With its green colors, It is associated with the heart chakra (energy center) in the body but also said to help cleanse and clear all chakras. This piece is also covered in druzy quartz, believed to be a mineral of clarity and an amplifier of energy.
This particular piece is from the earth in The Democratic Republic of the Congo, where it was ethically mined and left in its completely perfect, natural state. It weighs 12.4 oz measuring about 5.5 x 2.5 x 2.5 inches. Very rare combination and very sparkly.