| Quartz crystals from the Coleman Mines in Arkansas. |
| Ammonite |
| Fluorite octahedrons from China. |
| Brazilian "singing" quartz crystals. |
| Fossil fish from Green River Formation in Wyoming. |
| Arkansas quartz crystal. |
| Brazilian amethyst. |
| Green River Formation fossilized fish tail detail. |
| Tampa Bay agatized coral. |
| Creedite from Mexico. |
| Druzy quartz stalactite within Tampa Bay agatized coral. |
| Oreodont skull from South Dakota. |
| Brazilian polished quartz crystals. |
| Fossil tortoise from South Dakota. |
| Partially-polished quartz crystal from Brazil. |
| Washington petrified wood slabs. |
| Green and brown calcite from Mexico. |
| Modern arrowhead replicas from Indian stone material worked in India. |
| Rose quartz from Brazil. |
| Orange calcite from Mexico. |
| Septarian nodules from Madagascar. |
| Massive quartz crystal cluster from Coleman Mines in Arkansas. |
| Amazonite from Brazil. |
| Snakeskin Agate from Idaho. |
| Tangerine quartz from Brazil. |
| Ammolite ammonites from Madagascar. |
| Rose quartz from Madagascar. |
| Green chalcedony (chrysoprase) from Australia. |
| Smokey quartz from Brazil. |
| Another oreodont skull from South Dakota. |
| Massive quartz crystal from Coleman Mines in Arkansas. |
| Rough adventurine from Brazil. |
| Augilite from Salina, Utah. |
| Fossil coral |
| Prehistoric arrowheads from the deserts of Morocco. |
| Pink fluorite from Mexico. |
| Ammonite from Madagascar. |
| Quartz from Madagascar. |
| Ammonite from Madagascar. |
| Native copper from Michigan. |
| Fossil whale tooth from Northern Florida. |
| Merely two of the many different colors of the mineral fluorite. |
| Artificially-irradiated Arkansas quartz cystals from the Coleman Mines. |
| More massive Arkansas quartz crystals. |
| Chevron amethyst from Mexico. |
| Druzy quartz atop boytroidal chalcedony. |
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