Quartz rhymes with:
quarts, quarts, schwartz, schwarz, schwarze, swarts, swartz, thwarts, warts, aborts, boortz, bortz, contorts, cortes, court's, courts, courts', distorts, exhorts, extorts, forts, goertz, imports, kortz, lortz, port's, ports, portz, quarts, report's, reports, reports', resort's, resorts, resorts', retorts, schwartz, schwarz, schwarze, shorts, shorts', shortz, shortz', snorts, sorts, sport's, sports, sports', storts, stortz, supports, swarts, swartz, teleport's, thwarts, torts, transports, warts