dan's used rocks

scapolite (afghanistan)

kyanite perky (brazil)

opal, "fire" (oregon)

garnet, andradite (pakistan)

brucite (pakistan)

chrysoberyl (brazil)

amethyst "spirit / cactus" quartz (south africa)

opal, "fire" (oregon)

opal (ethiopia)

aquamarine crystal (vietnam)

scapolite (tanzania)

tourmaline (black, schorl) (namibia)

celestine (kazakhstan)

tanzanite (tanzania)

aquamarine crystal (vietnam)

pyrite (peru)

tourmaline (black, schorl) (namibia)

emerald crystal (pakistan)

rutile and hematite (brazil)

dioptase (namibia)