← Image collections
The image shows a piece of corundum, a type of rock, on a white background with a ruler next to it. The rock is a light brown color with a rough texture and is covered in small, dark spots. The ruler is a standard measuring scale with a black and white color scheme. Written on the rock is the name of the rock, Corundum.

More from PD12M

The image shows a bee on a white surface with a piece of paper attached to it. The bee is brown and black in color and there is a barcode on the paper.
The image shows a small insect, likely a bee, sitting on top of a white surface with papers containing text and a barcode beside it.
The image shows a honey bee perched atop a white surface, with a piece of paper with text and a barcode beside it.
The image shows an x-ray of two fish on a black background. The fish are clearly visible, with their long, slender bodies and pointed fins. The black background provides a stark contrast to the white of the fish, making them stand out.
The image shows a small insect, likely a bee, sitting atop a piece of paper with text and a barcode on it.
The image shows a close up of a common wasp on a white surface. The wasp is brown and black in color and there is something written on the right side of the image.
The image shows a black and white photo of a small white object, which appears to be a neutrophil, on a black surface. At the bottom of the image, there is some text.
The image shows a brown vase with a handle on a black background. The vase is made of pottery and has a glossy finish. It has a curved shape with a wide base and a narrow neck, and the handle is long and thin. The black background provides a stark contrast to the vase, making it stand out.
Explore collections