Carlsbad Caverns cave pearls.
Previously:
Mineral-encrusted water pipe - photo
World's largest quartz crystal cluster - photo
Siderite and dolomite 'dragon scale' crystal - GIF
Geode splitter - GIF
Carlsbad Caverns cave pearls.
Previously:
Mineral-encrusted water pipe - photo
World's largest quartz crystal cluster - photo
Siderite and dolomite 'dragon scale' crystal - GIF
Geode splitter - GIF
New plans added on 11/22: Click here for 2,593 plans for homemade tools.
nova_robotics (Mar 11, 2023)
https://en.wikipedia.org/wiki/Cave_pearl
If you want to know, there's quite a few further references. Very similar to pearls made in an oyster.
Mark
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