I believe this image meets the criteria. It's a large size and resolution. It shows a unique property. It's used in Quartz and Transparency (optics). Created by commons:User:Zimbres, it has a creative commons license.
Comments:
Seconder:
I believe this image meets the criteria. It's a large size and resolution. It shows a unique property. It's used in Quartz and Transparency (optics). Created by commons:User:Zimbres, it has a creative commons license.
Comments:
Seconder: