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- Iowa Gems and Minerals in Your Pocket
Iowa Gems and Minerals in Your Pocket
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From the spiky teeth of a geode containing sparkling quartz crystals, the rich browns and golds of smoky quartz and goethite needles on calcite, and the coral-like branches of plumose barite, world-class mineral crystals are harvested from the rocks of Iowa. Collecting these high-quality crystals requires access to active mines, pits, and quarries, and individual collectors are rarely allowed entrance. With information about each specimen's type, source, size, and current location, this provides access to the glittering, gleaming world of Iowa crystals.
Folgt in ca. 15 Arbeitstagen