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F_______
Definitions
Yellow, olive green, brown or black mineral with orthorhombic crystals of the olivine group, Fe₂SiO₄.
Word origin
From Fayal (“Faial Island in the Azores”) + -ite. Named in 1840.
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer0 curated clues
No curated clues for fayalite yet.