Stunning 41.50ct banded Malachite cabochon

This gorgeous malachite exhibits a naturally striated palette in multiple shades of green under a glistening liquid luster. It measures 30mm x 19.7mm x 5.7mm, and is untreated. Malachite has a long history, from its use as a protective amulet in ancient times, to being ground for pigments for painting, to the great "Malachite Room" at the Winter Palace in St. Petersburg, Russia, this gemstone has been admired for its unique green color palette for generations. Sourced from the Congo.