horn-silver Min.
[Cf. Ger. hornsilber.]
Native chloride of silver, so called from its horny appearance; cerargyrite.
| 1770 Forster tr. Cronstedt's Min. 178 The author..quotes the horn silver ore..as proof of his opinion. 1812 Sir H. Davy Chem. Philos. 211 It appears that muriatic acid gas is formed when horn silver is blackened by light. 1875 tr. Vogel's Chem. Light i. 4 In the mines of Friburg is now and then found a vitreous dull-shining silver ore, which on account of its appearance, is called horn silver. |