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Over 670 color photos reveal the Paleozoic plants that covered the earth from 500 to 260 million years ago, well before the dinosaurs roamed the world. These plants provide some of …
Since its discovery by a teenager in 1859, thousands of specimens of lustrous black tourmaline crystals from Pierrepont, New York, have found their way into both museum and private …
560 color photos and engaging text take readers on a journey back to a world first of tropical climates and then plunging into an Ice Age. It covers the Miocene, Pliocene, …
Mica is a broad term encompassing about forty minerals, ranging from the common to the rare, many at times forming excellent crystals jewelers use. This book feaures examples …
This book explains the structural relationships among di- and ring silicate minerals, known for their hardness and brilliant colors, and the geological conditions that create the …
Among rock-forming minerals, the zeolite group is large and widespread, and is enormously important to industry. Zeolites form excellent crystals. The group is structurally complex …
In recent years, minerals and gems have enjoyed growing renown and popularity. At this time there are some 3,800 different minerals known from all parts of the world that have been …
Garnet, with its many color varieties, is a favorite of both mineral collectors and gemologists. Superb examples are found at many locales worldwide, in both igneous and …
The Ozarks highland region of the Midwest, located in southern Missouri and northern Arkansas, contains beautiful mineral specimens for those with sharp eyes and a keen interest to …
This is the first published guide to Herkimer diamonds, striking quartz crystals, that includes all important aspects of interest to anyone curious about this unique form of the …