Public domain photos

The image shows a piece of azurite on a rock with a blue background. The azure stone is a deep blue color, and the rock is a lighter shade of blue. The contrast between the two colors creates a striking visual.

The image shows a piece of azurite on a rock with a blue background. The azure stone is a deep blue color, and the rock is a lighter shade of blue. The contrast between the two colors creates a striking visual.Open in library