Collector's Guide to the Zeolite Group by Robert J. Lauf The complete price guide is

The complete price guide is easy to use and aids the reader and collector in accurately pricing his or her own special finds

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Collector's Guide to the Zeolite Group by Robert J. Lauf The complete price guide isTable of Contents 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 and notable for its ability to exchange cations with surrounding solutions. Numerous diagrams help visualize important structural features that define various framework types. Over 200 photographs of these beautiful minerals show each species in its