chalcedony

NA > Honduras > Choluteca > Malachate Prospect
NA > United States > Arizona > Dundee - Arizona Mine
NA > United States > California > Unnamed Prospect
NA > United States > Colorado > Green Crystal, Beryl No. 1-9
NA > United States > Nevada > Hollister
NA > United States > Nevada > Rockhound Area
NA > United States > Nevada > Santa Fe Gold Mine
NA > United States > New Mexico > Hermanas Thunder Egg Deposit
NA > United States > New Mexico > Jeffers Agate Field
NA > United States > Utah > Chert Collecting Locality
NA > United States > Utah > Rocky Pass Chalcedony
NA > United States > Utah > Spanish Bottoms Chalcedony
NA > United States > Utah > Unknown
SA > Uruguay > Artigas > Unnamed Amethyst 10
SA > Uruguay > Artigas > Unnamed Amethyst 11
SA > Uruguay > Artigas > Unnamed Amethyst 12
SA > Uruguay > Artigas > Unnamed Amethyst 14
SA > Uruguay > Artigas > Unnamed Amethyst 16
SA > Uruguay > Artigas > Unnamed Amethyst 17
SA > Uruguay > Artigas > Unnamed Amethyst 19
SA > Uruguay > Artigas > Unnamed Amethyst 20
SA > Uruguay > Artigas > Unnamed Amethyst 4
SA > Uruguay > Artigas > Unnamed Amethyst 8
SA > Uruguay > Artigas > Unnamed Amethyst 9