单词 piedmontite 释义 piedmontite Min.|pidmntat, pjem-|[Alteration (by J. D. Dana) of G. piemontit: see piemontite.]= piemontite.1854Dana Min. Index, Piedmontite.1894Min. Mag. X. 261 In the rhyolites the manganese-epidote, Piedmontite, is widely distribu...