Published March 2004
| public
Journal Article
Blue omphacite from Guatemala
Chicago
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Abstract
A small number of rough and polished specimens of a new dark blue omphacite "jade" were displayed by Ventana Mining Co. (Los Altos, California) at the Pueblo Inn and by Leher Designs (San Rafael, California) at the GJX show and at the Westward Look Resort. Ideally (Ca,Na)(Mg,Al)Si_2O_ 6, omphacite is a member of the pyroxene group, and is composed of a solid solution of jadeite and calcic clinopyroxene (e.g., diopside) with subordinate aegirine.
Additional Information
© 2004 Gemological Institute of America.Additional details
- Eprint ID
- 38287
- Resolver ID
- CaltechAUTHORS:20130506-094952288
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2013-05-06Created from EPrint's datestamp field
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2019-10-03Created from EPrint's last_modified field
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- Division of Geological and Planetary Sciences (GPS)