Enchanting Large Larimar Blue Jasper Oval BeadsPrice is per 15. 5 inch string of these beautiful beads about 25 to the string. Each measures 16mm x 12mm x 5mm, drilled ready to thread. Jasper is a crystalline variety of quartz that contains up to 20% foreign material. This is what determines the stones multicolour, striped, or spotted appearance. Jasper was highly valued in ancient times, not only for its beauty, but also for the reputed magical and medicinal properties. In France jasper ornaments