Product Name: Synthetic Rough Spinel for Jewelry Material Model NO.: (114# ) Suitable for: Unisex Style: European and American Grade: High Color: Blue Type: Material Classification: Spinel Color: Blue: Shape: Square Material : MGO: Model : 113# Trademark: polaris Transport Package: Carton Specification: international standard Origin: Zaozhuang, Shandong, China HS Code: 71049019 Product Description Man-made and syntheticVarious sizes and grades are availableMainly applied to ornament such as ring and necklacecolor: #112, #106,#119,#105,#113,#114Samples are free within a certain price range.The material is aluminum oxide , thediameter is more than 18mm, the length is more than 55mmThe grade is AB, C , E and F