| 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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