Public domain photos

The image shows a piece of quartz on a white background with a label on it. The quartz is a light gray color and has a rough texture. The label on the quartz is white and has some writing on it, though it is not clear what it says.

The image shows a piece of quartz on a white background with a label on it. The quartz is a light gray color and has a rough texture. The label on the quartz is white and has some writing on it, though it is not clear what it says.Open in library