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Mineral that is cut by reversing plough
Answer for the clue "Mineral that is cut by reversing plough ", 6 letters:
illite
Word definitions for illite in dictionaries
Wiktionary
Word definitions in Wiktionary
n. (context mineralogy English) A micaceous phyllosilicate mineral with aggregates of grey or white monoclinic crystals.
Wikipedia
Word definitions in Wikipedia
Illite is a non-expanding clay crystalline mineral. Illite is a secondary mineral precipitate phyllosilicate or layered alumino-silicate. Its structure is a 2:1 clay of silica tetrahedron – alumina octahedron – silica tetrahedron layers. The space between ...