Quartz is a popular gemstone due to its availability in large sizes also due to the affordable price. Despite the popularity of quartz, gems like amethyst, citrine, ametrine, rose quartz, and rutilated quartz, the rough Quartz is now color-enhanced by heating and chemical means, to produce a wide range of colors and even color-changing as a substitute for alexandrite.
Blue, Red and Pink are other popular colors, which are widely used in costume Jewellery.
