Siv cov quartz yog dab tsi?

Quartzua ib tus gemstone yav tom ntej. Nws yog ib qho nyuaj, check thiab feem ntau txais ib ci ntsa iab txhuam. Nrov homquartzuas yog lugsivraws li gems muaj xws li: amethyst, citrine, rosequartz, thiab aventurine. Agate thiab jasper yog cov hom kujquartzmuaj ib tug qauv microcrystalline.