A class South Africa bule quartz Hardness 7 Formula Weight 2.65 Refractive Index 1.54~1.55 Crystal Properties Hexagonal System Process Flow Sorting/cutting/sizing/pressing/polish/unwatering/polishing/qc /package/delivery According to customer's requirements from drawings or samples to produce We can provide various types of jewel's processing MOQ 500PCS Price according to different sizes. According to customer's requirement.