... as a mineral specimen and some industrial uses THE MINERALfine transparency chlorite Chemistry: (Fe, Mg, Al)6(Si, Al)4O10(OH ... , red, lavender and black. Luster is vitreous, dull or pearly. Transparency: Crystals are translucent transparent. Crystal System is monoclinic; 2/m ... , talc, serpentine, danburite, topaz and calcite, among many others. fine transparency chlorite