An iris agate cab, ~1.3X macro. No pigments involved in these colors, the microstructure of the agate acts basically as a diffraction grating www.flickr.com/photos/29682... - ThreadSky | a Reddit-style client for Bluesky

exsolam.bsky.social • 137 days ago

An iris agate cab, ~1.3X macro. No pigments involved in these colors, the microstructure of the agate acts basically as a diffraction grating https://www.flickr.com/photos/29682929@N08/54199293284/in/album-72177720322199560

Comments