In this book two renowned experts share their lifelong passion for geodes and their extensive knowledge of world-class geode deposits as they present the latest theories on the formation and occurrence of these amazing mineral gifts of nature.
The most comprehensive book ever written on geodes of the Americas - a definitive reference for serious collectors and a delightful mineral exploration for both experts and novices.
This packet contains 5 maps (17 1/2 X 23) printed on both sides. The maps divide the state into four sections and show the location of 47 gems in addition to gold and silver. The maps featured were chosen due to their clarity in spite of being printed in 1882, 1936 and 1900. This package is a must for both the serious or the part time rock hound.
Map locates deposits of actinolite, agate, amethstine, apache tears, apatite, azurite, barite, beryl, bloodstone, calcite, carnelian, chalcedony, chert, chrysocolla, corundum, epidote, fire opal, fossils, flourite, garnet, geodes, hematite, jasper-agate, jasper, limb cast, malachite, nodules, obsidian, onyx, opal, opalite, opalized wood, petrified wood, pyrite, quartz, rhodochrosite, rhyolite, selenite, sunstones, topaz, tourmaline, turquoise, variscite, wonderstone, wulfenite, zeolite, and zircon.
Colorado Geologic Highway Map and Shaded Elevation Map with 14,000 ft. peaks, selected mining districts, & dinosaur localities.Also includes geologic explanation, description of formations, cross section, and discussion of Colorado's geology, water, & energy & mineral resources.
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