Similar words
cristal
Worth distinguishing: quartz is a specific type of crystal; cristal is the general word.
Similar in other languages
Spanish
cuarzo
cuarzo is the Spanish word for the same thing — both mean "quartz."
Portuguese
quartzo
quartzo is the Portuguese word for the same thing — both mean "quartz."
Practice
1 What does quartz mean?
quartz
2 Fill the gap: Ce cristal de ___ vient des Alpes.
Full sentence: Ce cristal de quartz vient des Alpes. (This quartz crystal comes from the Alps.)
3 Which fingerprint chart matches quartz?
quartz: neutral register, common frequency, general domain, neutral connotation.