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Article: Famous mineral localities: GREEN MONSTER MOUNTAIN PRINCE OF WALES ISLAND, ALASKA
- Article from:
- Mineralogical Record
- Article date:
- September 1, 2004
- Author:
CopyrightCopyright Mineralogical Record Sep/Oct 2004. Provided by ProQuest LLC. (Hide copyright information)
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Fine specimens of epidote and Japan-law twinned quartz from Prince of Wales Island, Alaska have long been familiar to collectors, despite having appeared only sparingly on the specimen market since the locality was discovered early in the 20th century. In recent decades the patented epidote claim
s on Green Monster Mountain have yielded many move fine specimens including not only world-class epidote and quartz but also magnetite rosettes, goethite pseudomorphs after pyrite, grossular, calcite, amphibole pseudomorphs after pyroxene, and the finest known crystal groups of clintonite.
INTRODUCTION
In the summer of 1967, Peter B. Leavens and Richard W. Thomssen undertook a Smithsonian-sponsored ...