Originally made & uploaded by en:User:Palladian as "Natural ultramarine pigment.jpg" at en:Wikipedia at 08:39, 5 September 2004.
The original comment is "Image of natural Ultramarine pigment, taken by Palladian".
This image has been released into the public domain by the creator.
Licensing
This image has been released into the public domain by its author, Palladian. This applies worldwide.
In some countries this may not be legally possible; if so: Palladian grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.