set of various polished white rocks with names

agate albite background buffalo cacholong castorite chalcedony collage collection colorless crystal cut cutout description diorite gem gemstone gray howlite isolated jasper kascholong magnesite marble microcline milky mineral name natrolite natural opal out pearl petalite polished quartz rhinestone rock rockcrystal rolled sample set specimen stone tumbled tumbling turquoise ulexite various white