Crossword clue: a mineral consisting of native potassium chloride; an important ore of potassium that is found in sedimentary beds

The most common answer is sylvine (7 letters).

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

sylvine 7 letters wn-def

a mineral consisting of native potassium chloride; an important ore of potassium that is found in sedimentary beds

sylvite 7 letters wn-def

a mineral consisting of native potassium chloride; an important ore of potassium that is found in sedimentary beds