Public domain photos

The image shows a piece of quartz on a white background with a color chart beside it. The quartz is a light yellow color and has a rough texture. The color chart is composed of different shades of yellow, ranging from light to dark.

The image shows a piece of quartz on a white background with a color chart beside it. The quartz is a light yellow color and has a rough texture. The color chart is composed of different shades of yellow, ranging from light to dark.Open in library