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Name and first discovery : Named after the type locality Cape Ann, Essex Co., Massachusetts, USA. First described in 1868.
Chemistry :
Synonyms :
Varieties :
Abbreviation : Ann
literature
Dana, J. D., & Dana, E. S. (1892). The system of mineralogy of James Dwight Dana, 1837-1868: descriptive mineralogy . J. Wiley & sons.
