set of various garnet crystals cutout on white

almandine almandite andradite background carbuncle collage collection crystal crystalline cut cutout demantoid eclogite garnet gem gemological gemology gemstone geological geology green grossular grossularite isolated little macro mineral mineralogy natural out polished precious pyrope raw rhodolite rock rough sample set small specimen spessartine spessartite stone tumbled tumbling unpolished uvarovite various white