单词 | brittle silver ore |
释义 | > as lemmasbrittle silver ore brittle silver ore n. [after German Sprödglaserz, lit. ‘brittle glass ore’ (1791 in the passage translated in quot. 1809; < spröde brittle (see spreth adj.) + Glaserz (see glass-ore n. at glass n.1 Compounds 3); with the second element compare also Silberglas : see silver glass n. at silver n. and adj. Compounds 2a)] the mineral stephanite.Chemical formula: Ag5SbS4. ΚΠ 1809 C. Anderson tr. A. G. Werner New Theory Formation Veins x. 215 The three ores of silver, viz brittle silver ore [Ger. Sprödglaserz], red silver ore, white silver ore. 1876 Butte (Montana) Miner 14 Nov. Stephanite, or brittle silver ore, is a compound of silver, antimony and sulphur. 1981 Jrnl. Egyptian Archaeol. 67 105 The ‘dry’ silver ores such as argentite, cerargyrite.., stephanite (Ag5SbS4; brittle silver ore). < as lemmas |
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