Quartz is one of the most abundant minerals in Earth's crust and makes up a variety of beautiful gemstones such as rose quartz, smoky quartz, lemon quartz, lime quartz and rock crystal quartz, just to name a few. Amethyst, citrine andtiger's eye are also all types of quartz gemstones.
Some believe the name quartz may have come from the Greek word "krystallos", meaning ice. Ancient Greeks believed quartz crystal was fossilized ice. Quartz's high thermal conductivity, which makes the gemstone feel cool to the touch, may have added to this belief.
The use of quartz dates back thousands of years. Tools and weapons were among the first things to have been crafted from quartz. Native Americans and Australian Aborigines used quartz crystals in their rain rituals. Ancient Romans used colorless quartz to cool their hands in hot weather. And quartz crystal balls have been used to predict the future since the middle ages.
QUARTZ: From the icy shimmer of rock crystal quartz to the delicate pink of rose quartz to the moody hues of smoky quartz, this gemstone offers something for everyone. Quartz, found in endless colors and varieties, is a popular choice for bracelets, necklaces, rings and earrings. More about colored gemstones.
Quartz is found all over the world, with significant mines in Brazil, Madagascar, Canada and the United States.
Although quartz has a hardness of 7 on the Mohs scale, you should take care to avoid scratches and sharp blows. Some types of quartz can fade in the sun, so it's best to store your quartz jewelry in box when not in use. Clean your quartz rings, earrings, necklaces and bracelets with warm water and a dry cloth.