Crossword clues for Form of quartz 5 lettersAnswerClueSILEXMineral in the form of quartz or flintAGATEImpure form of quartzAGATEForm of quartzSARDForm of quartzJASPERForm of quartzJASPEROpaque form of quartzONYXForm of quartzAGATINEResembling a form of quartz.