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RE: Bizarre Natural Phenomena Vol. 64 - A Mother Of Pearls In The Guts Of The Earth (Cave Pearls)

These cave pearls remind me of the "blueberries" on Mars.

https://en.wikipedia.org/wiki/Martian_spherules

I will leave that topic for you for a future post if you want.

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Ooooh! Pretty! Thanks a lot! :D

Martian spherules
Martian spherules (also known as blueberries due to their blue hue in false-color images released by NASA) are the abundant spherical hematite inclusions discovered by the Mars rover Opportunity at Meridiani Planum on the planet Mars. They are found in situ embedded in a sulfate salt evaporitic matrix, and also loose on the surface.

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