Tên của ngọc hồng lựu, Garnet, evolved from the Latin Granatus, because its crystals are mostly granular, similar to mature pomegranate seeds. Garnet is a single-refraction gemstone of equiaxed crystal system, with hardness between 6.5 Và 7.5, độ dẻo dai tốt, silicate minerals containing different metal elements, garnets are divided into six categories due to the different metal […]
