Le nom du grenat, Grenat, 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 et 7.5, bonne ténacité, silicate minerals containing different metal elements, garnets are divided into six categories due to the different metal [...]
