The image shows a display case with three different types of rocks on it. On the left side of the display case, there is a photograph of a landscape with trees and mountains in the background. The photograph is in black and white and appears to be a close-up of a rock formation. The rocks are of different sizes and shapes, with some having a rough texture and others having a smooth surface. 

On the right side, there are three smaller rocks of different colors - one is green, one is black, and one is brown. The green rock is a large, oval-shaped rock with a rough surface, while the brown rock is smaller and has a smooth texture. The brown rock has a rough, uneven surface and is slightly larger than the green rock.

There are also two small white labels on the display cases, one with text and the other with information about the rocks. The background is a plain white wall.