释义 |
jalpaite Min.|ˈdʒælpəaɪt| [ad. G. jalpait (A. Breithaupt 1858, in Berg- und hüttenmännische Zeitung 17 Mar. 85/2), f. Jalpa, the name of a locality in Mexico (probably the town of that name in southern Zacatecas): see -ite1.] A sulphide of silver and copper, Ag3CuS2, of a light metallic-grey colour when freshly fractured.
1868J. D. Dana Syst. Min. (ed. 5) ii. 39 Jalpaite is a cupriferous silver-glance from Jalpa, Mexico. 1925Mineral. Abstr. II. 519 Jalpaite.., as narrow veins in hornstone, gave analyses agreeing closely with the formula 3Ag2S.Cu2S. 1968Amer. Mineralogist LIII. 1539 Jalpaite from Silver Plume and Boulder County, Colorado probably formed at some temperature below 117°C. |