gemstone
Amethyst is a violet form of quartz.
Amethyst is a violet form of quartz.
Amethyst is the purple form of quartz.
Amethyst is a form of quartz that that contains impurities that make it purple.
Amethyst is a mineral, a form of quartz.
Yes.
No. Amethyst is a color variety of quartz, which is silicon dioxide.
yes, it is. amethyst is a purple type of quartz.
Amethyst is a purple form of quartz, SiO2, and is colored by traces of iron and aluminum.
Amethyst is colored quartz. Quartz is the crystalline form of silicone dioxide. The purple color of amethyst is believed to be a result of the effects of ferric iron and aluminum as the crystal is formed.
Yes, amethyst is a type of quartz that contains traces of iron impurities that give it its purple color.
Yes, amethyst is a type of mineral belonging to the quartz family. It is a variety of quartz that has a purple color due to the presence of iron impurities in its crystal structure. Amethyst is commonly found in geodes and volcanic rock formations.