Natural organic gemstones refer to materials that are generated by natural organisms and are partially or completely composed of organic substances that can be used for jewelry and decorations. Natural organic gemstones are elegant, ấm, and charming. Common ones in the market are pearl, màu hổ phách, ngà voi, vân vân. Mặc dù ngọc trai nuôi (gọi là “Ngọc trai”) có […]
