| 释义 |
piedmontite Min.|ˈpiːdmɒntaɪt, ˈpjeːm-|
[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 distributed. 1933Mineral. Mag. XXIII. 417 The pleochroic colours shown by the mineral in thin section closely resemble those of piedmontite from Japan and from South Mountain, Pennsylvania. 1961Current Sci. XXX. 223/1 (heading) Some observations on piedmontite from Goldongri Manganese Mine. |