NATIONAL GEOGRAPHIC Rock Collection Box for Kids – 300+ Piece Gemstones and Crystals Set Includes Geodes and Real Fossils, Rocks and Minerals Science Kit , A Geology Gift for Boys and Girls
A comprehensive collection of 36 different sedimentary, metamorphic and igneous rocks. Includes the specimens most often described in geology textbooks. Larger specimens than in the Rock Study Kit described above - they measure between 1 and 1.5 inches in diameter. Included are: granite, syenite, diorite, gabbro, porphyry, felsite, andesite, basalt, obsidian, pumice, scoria, conglomerate, sandstone, shale, limestone, gypsum, tufa, rock salt, coal, gneiss, schist, slate, soapstone, quartzite, marble, amphibolite, hornfels and more. Packaged in an attractive specimen box with a plastic tray to keep your collection organized. Start becoming an expert in rock identification. Click on the image for a larger, more detailed photo.
This collection contains fifteen specimens, each representing one gem mineral or material in a rough (uncut) state. Examples of gem materials that might be included: corundum, tourmaline, obsidian, amazonite, rose quartz, garnet, petrified wood, amethyst, smokey quartz, aventurine, chalcedony, agate, jasper and others. The specimens represent the type of material which is used for gem selection, but they are not necessarily of the high quality to produce a finished gem. Packaged in an attractive specimen box with a plastic tray to keep your collection organized. Specimens range in size from approximately 1/2 inch to over 1 inch in maximum dimension. The smallest specimens are placed in a small plastic specimen box for easy handling and storage. Click on the image for a larger, more detailed photo.
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lbs of Bulk Selenite Wands & 5 Premium Crystals, Rose Quartz, Hematite, Aventurine, Blue Quartz, Raw Crystals, Gemstones
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