Piece of Corundum Crystal

The image shows a Piece of Corundum Crystal by an unknown artist. The image shows a small, irregularly shaped crystal with a rough surface. The crystal is gray and white with a metallic sheen. It has a rounded rectangular shape with one side curved. The crystal sits on a flat gray surface, casting a small shadow to the left. The background is a solid light gray color. The crystal appears to be sitting on a flat surface with no other objects visible. The lighting is even, with no harsh shadows or highlights. The overall appearance is simple and neutral.