iflscience - Crack Open A Thunder Egg For A Beautiful Surprise (That You Can't Eat)

Par Arfy, . Lien permanent Impressionnant

Joliiiiiii !

Je cite:

Thunder eggs, also known as lithophysae, are spherical objects formed in silica-rich volcanic rock, often a rock called rhyolite.

Crack Open A Thunder Egg For A Beautiful Surprise (That You Can't Eat)

Formed from volcanic lava, thunder eggs may look plain on the outside but hide secret crystals within.
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