Take your time.
Take your time.
This Smithsonian specimen is cataloged as dendritic agate, a variety of quartz. The name distinguishes it from the other quartz varieties in the collection.
One image. One passing thought. Then another.
titterrrrr is a tiny collection of unexpected images and harmless little observations.
There is no feed to finish, no score to improve, and nowhere in particular to arrive.
Images are drawn from public collections including NASA, the Smithsonian Institution, NOAA Ocean Exploration, and the National Park Service.
Image-specific source, credit and license information is available through the i button on each image.
titterrrrr does not claim ownership of third-party source material.
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Updated: October 5, 2026.