Alta alatis patent:
Amethyst
Alta alatis patent:
"Amethyst-grotto"
Alta alatis patent:
Amethyst
Alta alatis patent:
Amethyst
Alta alatis patent:
Seleniet
Alta alatis patent:
Star quartz or colorless quartz from Marokko
Alta alatis patent:
Mountain crystals
Alta alatis patent:
Petrified wood, Auracarioxylon arizonicum
Alta alatis patent:
Petrified wood
Alta alatis patent:
petrified wood
Alta alatis patent:
Petrified wood from Indonesia
Alta alatis patent:
Petrified wood from Indonesia
Alta alatis patent:
fossil Giant tortoise, Stylemis nebrascensis
Alta alatis patent:
Dorsoplanites flavus
Alta alatis patent:
Muscovite, mica
Alta alatis patent:
Pyrite or "fools gold" from Peru