Relating to or containing fibrolite, or having the characteristics and mineral composition of fibrolite rock.
From fibrolite + -ic (Greek suffix meaning 'relating to'). This adjectival form emerged in geological literature to describe rocks and minerals resembling or containing fibrolite.
Geologists use fibrolitic textures to read Earth's history like a book—the orientation of needle-like sillimanite crystals tells them which direction ancient mountains were being squeezed!
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