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单词 polybasite
释义

polybasiten.

Brit. /ˌpɒlɪˈbeɪsʌɪt/, U.S. /ˌpɑliˈbeɪˌsaɪt/
Origin: Formed within English, by derivation; modelled on a German lexical item. Etymons: poly- comb. form, base n.1, -ite suffix1.
Etymology: < poly- comb. form + base n.1 + -ite suffix1, after German Polybasit (H. Rose 1829, in Ann. der Physik u. Chemie 15 573).For an explanation of the name compare:1896 A. H. Chester Dict. Names Minerals 215 Polybasite, f. πολύς, ‘much,’ and βάσις, ‘base,’ in allusion to the large amount of the base, sulphuret of silver, as compared with the acids, sulphurets of arsenic and antimony. N.E.D. (1907) gives the pronunciation as (poli·băsəit) /pəʊˈlɪbəsaɪt/.
Mineralogy.
A mineral of the hexagonal crystal system that is a sulphide and antimonide of silver and copper, (Ag,Cu)16Sb2S11, and occurs as thin, tabular, black, metallic crystals.
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the world > the earth > minerals > types of mineral > oxides and hydroxides > antimonites, arsenites, etc. > [noun] > antimonites
polybasite1830
ochrolite1889
schafarzikite1922
1830 Edinb. New Philos. Jrnl. 8 148 A new species of mineral named polybasite.
1877 R. W. Raymond Statistics Mines & Mining 319 Rich silver-ores, such as ruby silver, stephanite, polybasite and tetrahedrite.
1959 C. S. Hurlbut Dana's Man. Mineral. (ed. 17) Polybasite is a comparatively rare silver mineral, associated with other silver sulfantimonides and with silver ores in general.
1994 Mineral. Rec. 25 73/1 Polybasite and stephanite are known from several districts whereas argentopyrite,..bohdanowiczite and miargyrite are known from single localities.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).
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n.1830
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