set of various unpolished white stones with names

adergneiss analcime analcite anhydrite background barite baryte brucite buffalo cacholong calcite chalk clear collage collection colorless crystal cut cutout danburite description gneiss granite gray gypsum howlite isolated kascholong limestone migmatite mineral name natural opal out pearl quartz raw rhinestone rock rockcrystal rough sample scolecite set specimen stone turquoise unpolished various white