A class Natural Brazil black agate. Hardness 7~7.5 Boiling Point 2230 Melting Point 1723 Formula Weight 60.08 Specific Weight 2.65 Refractive Index 1.54~1.55 Process Flow sorting/cutting/ sizing/ pressing polish/unwatering /polishing /QC/package/delivery. According to customer's requirements from drawings or samples to produce. MOQ 500PCS . Price according to different sizes . packing according to customer's requirement.
