Collector's Guide to the Epidote Group

Lauf provides an overview of the epidote group of minerals. The epidote group consists of twenty minerals, of which epidote, clinozoisite, and the allanite series are best known to collectors. Many of these minerals form well-crystallized specimens, often with interesting associates, ranging from su...

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Bibliographic Details
Published inRocks & minerals Vol. 86; no. 5; pp. 444 - 457
Main Author Lauf, Robert J.
Format Journal Article
LanguageEnglish
Published Washington Taylor & Francis Group 31.08.2011
Taylor & Francis Inc
Subjects
Collectors
Mineralogy
Minerals
Taxonomy
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Summary:Lauf provides an overview of the epidote group of minerals. The epidote group consists of twenty minerals, of which epidote, clinozoisite, and the allanite series are best known to collectors. Many of these minerals form well-crystallized specimens, often with interesting associates, ranging from superb micromounts to spectacular decorator pieces. Allanites are of particular interest to collectors of radioactive species and rare-earth minerals. Zoisite, the orthorhombic polymorph of clinozoisite, is an important gem mineral for faceting, and massive zoisite is a familiar lapidary material. It is included here even though it is no longer a member of the group according to recently approved nomenclature.
ISSN:0035-7529
1940-1191
DOI:10.1080/00357529.2011.602297