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Among rock-forming minerals, the colorful tourmaline group is a favorite of both mineral collectors and gemologists.... Read More >>
This book utilizes creative photography and short stories to showcase 100 unique Lake Superior agates. Read More >>
The Aldens are making the journey to their Aunt Jane's house for an overnight bicycle trip. On their first night,... Read More >>
This work explores themes in the depiction of dinosaurs and other prehistoric animals, paleoart's history and speculative... Read More >>
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From their origins and evolution to their much debated extinction, this volume features the latest scholarship on... Read More >>
This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing... Read More >>
In contrast to gems mined in Africa, Canada's stones are considered pure 'ice' and they are also 'clean' - not tainted... Read More >>
An introduction to the beauty and wonder of the gemstones found in the Pacific Northwest, a region famous for its... Read More >>
Offers you easy-to-use information on the ins and outs of fee dig mining, complete with locations, costs, tips... Read More >>
The first Duke of Marlborough (1650-1722) was a soldier of such genius that a lavish palace, Blenheim, was built... Read More >>
Title: The Geological Evidences of the Antiquity of Man, with remarks on theories of the origin of species by variation.... Read More >>