miargyrite Min.
(maɪˈɑːdʒɪraɪt)
[ad. G. miargyrit (H. Rose 1829), f. Gr. µεί-ων less + ἄργυρ-ος silver + -ite.]
A black sulph-antimonide of silver, which contains a smaller quantity of silver than red silver ore.
| 1836 T. Thomson Min. Geol., etc. I. 650 The constitution of miargirite must be 11 atoms sesquisulphite of antimony, 6 atoms sequisulphuret of silver. 1845 Encycl. Metrop. VI. 514/1 Miargyrite... Occurs in attached crystals. 1872 Raymond Statist. Mines & Mining 52 Our ores are chiefly antimonial sulphides, miargyrite, dark red silver ore, and light red silver ore. |