These are 4x4mm cubes, but drilled from corner to opposite corner, making them 6mm long. Crystal Quartz (Rock Crystal) is a naturally occurring clear and colorless Quartz. It is a crystalline form of Quartz (doh!) said to have many divine properties including the ability to amplify and radiate the energy put into it and help individuals achieve their goals. Due to its color and clarity, until the 17th century Crystal Quartz was believed to be permanently frozen water. In other words, winter in Canada.
6mm x 4mm Approx. 52 on approx. 16 inch (40.64 cm) strand. (strand)