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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