39cm strand (approximately 20 beads) of snow quartz flat twisted rectangular beads, each bead is approximately 20mm x 12mm x 7mm. Also known as white jade and quartzite, snow quartz has a translucent vitreous white base with occasional black inclusions and is believed to be the stone of self confidence and have the ability to bring good fortune. With a hardness of 7, quartz is one of the most abundant minerals on earth. It comes in a variety of colours and in two main groups: crystalline (clear rock crystal, pink rose quartz, purple amethyst, yellow citrine etc) and cryptocrystalline (comprising of chalcedony, agate, jasper etc). Please note that colours and sizes within semi-precious gemstones vary slightly from strand to strand.