Hard mineral consisting of silicon dioxide in crystal form - Crossword Clue

Crossword Clue Last Updated: 11/05/2021

Below are possible answers for the crossword clue Hard mineral consisting of silicon dioxide in crystal form.

6 letter answer(s) to hard mineral consisting of silicon dioxide in crystal form

QUARTZ
  1. a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities
  2. colorless glass made of almost pure silica

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