Open AccessOn the Optical Characters of the Vertical Zone of Amphiboles and Pyroxenes: And on a New Method of Determining the Extinction Angles of These Minerals by Means of Cleavage Pieces
Author(s) -
R. A. Daly
Publication year - 1899
Publication title -
proceedings of the american academy of arts and sciences
Language(s) - English
Resource type - Journals
eISSN - 2327-9478
pISSN - 0199-9818
DOI - 10.2307/20020896
Subject(s) - amphibole , cleavage (geology) , geology , extinction (optical mineralogy) , mineralogy , geochemistry , paleontology , fracture (geology) , quartz
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