Any of certain typically black or dark-coloured substances made by chemical means; a dark residue or precipitate; esp. = ethiops mineral n. at…
| 单词 | θ6675 |
| 释义 | the world > the earth > minerals > types of mineral > sulphides and related minerals > [noun] > other sulphides (27) ethiops1697 Any of certain typically black or dark-coloured substances made by chemical means; a dark residue or precipitate; esp. = ethiops mineral n. at… ethiops mineral1727 mercuric sulphide, HgS, prepared as a black solid by the reaction of mercury and sulphur, and formerly used medicinally as an anthelmintic and… sternbergite1826 A native sulphide of silver and iron, occurring in brown flexible laminæ with metallic lustre. proustite1835 A mineral which is a sulphide of silver and arsenic and usually occurs as masses of prismatic, scarlet crystals. Also called ruby silver, light red… greenockite1840 A rare yellow mineral consisting of cadmium sulphide, typically occurring as a crust on zinc ores. dufrenoysite1846 A mineral consisting of a sulphide of lead and arsenic, typically occurring as dark grey prisms with a metallic lustre. aciculite1849 = aikinite, n. pyrargyrite1849 A mineral which is a sulphide of silver and antimony, occurring in hydrothermal vein deposits chiefly as greyish-black prisms or masses, though… schreibersite1849 A strongly magnetic phosphide of iron and nickel, (Fe,Ni)3P, usually with small amounts of cobalt, that is present in iron meteorites and forms… siegenite1854 A nickeliferous variety of linnæite. troilite1868 A sulphide of iron found in meteorites. valleriite1875 A hexagonal basic sulphide of iron, copper, magnesium, and aluminium found in high-temperature copper and iron deposits as minute cream or… argyrodite1886 A mineral (Ag8GeS6) containing silver, sulphur, and germanium. semseyite1886 A monoclinic sulphide of lead and antimony, Pb9Sb8S21, found usually as grey or black tabular or prismatic crystals with a metallic lustre. canfieldite1893 A rare sulphide of silver and tin. sulvanite1900 A bronze-coloured sulphide of copper and vanadium, Cu3VS4, that usually occurs massive, rarely as crystals having cubic symmetry, and is often… teallite1904 An orthorhombic sulphide of lead and tin, PbSnS2, found as soft, thin, dark grey crystals having a metallic lustre. patronite1906 A black, lustrous, fine-grained mixture of vanadium sulphides that occurs in Peru and is exploited as a source of vanadium; (in later use) spec.… hydrotroilite1913 a black hydrated ferrous sulphide, FeS.nH2O, occurring in the mud of lakes and inland seas. violarite1924 A rare isometric sulphide of nickel and iron, Ni2FeS4, occurring in massive form with a violet-grey colour and a metallic lustre. cooperite1928 A steel-grey sulphide of platinum, PtS, occurring in irregular grains in conjunction with other minerals in igneous rocks of the Bushveld, South… braggite1932 (See quots.) mackinawite1962 A bronze-coloured tetragonal sulphide of iron and usually nickel in non-stoichiometric proportions, occurring as grains and minute lamellae. roquesite1963 A rare mineral containing indium, occurring as minute greyish blue crystals, typically as inclusions in bornite. vysotskite1963 A sulphide of palladium and often nickel, (Pd,Ni)S, found as minute silvery tetragonal crystals having a metallic lustre. mawsonite1965 A tetragonal sulphide of copper, tin, and iron, Cu6Fe2 3+Sn4+S8, which is typically found as small, brownish-orange inclusions in bornite. rhodostannite1968 A mineral containing tin and copper, found as reddish-grey microscopic crystals, typically as an alteration product of stannite. |
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