Public domain photos

The image shows a small stone in a box sitting on top of a table, with a paper with text and a barcode beside it. The stone appears to be a chrysostoma paradoxum, a type of rock found in the early 20th century.

The image shows a small stone in a box sitting on top of a table, with a paper with text and a barcode beside it. The stone appears to be a chrysostoma paradoxum, a type of rock found in the early 20th century.Open in library