| 释义 |
polybasite Min.|pəʊˈlɪbəsaɪt|
[ad. Ger. polybasit (H. Rosé 1829), f. Gr. πολυ-, poly- + βάσις, in sense of base n.1 13: see -ite1.
According to Chester, alluding to the large amount of the base, sulphide of silver, in proportion to the acids, sulphides of arsenic and antimony.]
A sulpharseno-antimonite of silver and copper, of an iron-black colour, and metallic lustre, occurring in short tabular hexagonal prisms, also massive and disseminated.
1830Edin. Phil. Jrnl. VIII. 148 A new species of mineral named polybasite. 1868Dana Min. (ed. 5) 107 Stephanite and pyrite occur as pseudomorphs alter polybasite. 1879Raymond Statist. Mines & Mining 319 Rich silver-ores, such as ruby silver, stephanite, polybasite and tetrahedrite. |