EntityQ429911· pop 31· linked from 98 articlesrose quartzSign in to savemineral, quartz varietyConnectionssilicate mineralEntityoxygenEntityaluminiumEntitysiliconEntityphosphorusEntityMinas GeraisEntitygemstoneEntityquartzEntitychemical formulaEntitysilicon dioxideEntityMohs scale of mineral hardnessEntityrefractive indexEntityoptical dispersionEntitytransparencyEntityrutileEntitypegmatiteEntitycleavageEntitybirefringenceEntitystreakEntitycrystal systemEntityCategoriesQuartz gemstonesQuartz varieties