Leo Wehrli - Snow Crystals, 1918

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Leo Wehrli - Snow Crystals, 1918
Andradite, garnet group, Livorno, Italy, photo by Bonifazi Marco
"Beach sand."
Zhang Chao
National Astronomical Observatories, Chinese Academy of Sciences Beijing, China
Nikon Small World Photomicrography Contest
Here are a couple examples of a curated collection of microphotography of minerals. Full list here - https://www.mindat.org/g/103
Most of these images have a field of view of less than 1cm, many only 1-2mm.
From top left to bottom right:
Strengite, Spessartine, Linerite, Autunite (under UV light)
Today's joy is brought to you by things found in 0.01mL of water.
My little Scytodes thoracica, Jeffrey
Longitudinal section through a white asparagus shoot tip (fluorescence, 10x objective lens magnification) Photograph: Dr. Olivier Leroux