quartzofeldspathic in English dictionary quartzofeldspathic Meanings and definitions of "quartzofeldspathic" adjective Containing quartz and feldspar. more Grammar and declension of quartzofeldspathic quartzofeldspathic (comparative more quartzofeldspathic, superlative most quartzofeldspathic) more Sample sentences with "quartzofeldspathic" Declension Stem Try again Available translations French Authors