spear pyrite
1marcasite — marcasitical /mahr keuh sit i keuhl/, adj. /mahr keuh suyt /, n. 1. a common mineral, iron disulfide, FeS2, chemically similar to pyrite but crystallizing in the orthorhombic system. 2. any of the crystallized forms of iron pyrites, much used in… …
2Arsenical pyrites — Pyrites Py*ri tes, n. [L., fr. Gr. ?, fr. ? fire. See {Pyre}.] (Min.) A name given to a number of metallic minerals, sulphides of iron, copper, cobalt, nickel, and tin, of a white or yellowish color. [1913 Webster] Note: The term was originally… …
3Auriferous pyrites — Pyrites Py*ri tes, n. [L., fr. Gr. ?, fr. ? fire. See {Pyre}.] (Min.) A name given to a number of metallic minerals, sulphides of iron, copper, cobalt, nickel, and tin, of a white or yellowish color. [1913 Webster] Note: The term was originally… …
4Capillary pyrites — Pyrites Py*ri tes, n. [L., fr. Gr. ?, fr. ? fire. See {Pyre}.] (Min.) A name given to a number of metallic minerals, sulphides of iron, copper, cobalt, nickel, and tin, of a white or yellowish color. [1913 Webster] Note: The term was originally… …
5Common pyrites — Pyrites Py*ri tes, n. [L., fr. Gr. ?, fr. ? fire. See {Pyre}.] (Min.) A name given to a number of metallic minerals, sulphides of iron, copper, cobalt, nickel, and tin, of a white or yellowish color. [1913 Webster] Note: The term was originally… …
6Copper pyrites — Pyrites Py*ri tes, n. [L., fr. Gr. ?, fr. ? fire. See {Pyre}.] (Min.) A name given to a number of metallic minerals, sulphides of iron, copper, cobalt, nickel, and tin, of a white or yellowish color. [1913 Webster] Note: The term was originally… …
7Hair pyrites — Pyrites Py*ri tes, n. [L., fr. Gr. ?, fr. ? fire. See {Pyre}.] (Min.) A name given to a number of metallic minerals, sulphides of iron, copper, cobalt, nickel, and tin, of a white or yellowish color. [1913 Webster] Note: The term was originally… …
8Iron pyrites — Pyrites Py*ri tes, n. [L., fr. Gr. ?, fr. ? fire. See {Pyre}.] (Min.) A name given to a number of metallic minerals, sulphides of iron, copper, cobalt, nickel, and tin, of a white or yellowish color. [1913 Webster] Note: The term was originally… …
9Magnetic pyrites — Pyrites Py*ri tes, n. [L., fr. Gr. ?, fr. ? fire. See {Pyre}.] (Min.) A name given to a number of metallic minerals, sulphides of iron, copper, cobalt, nickel, and tin, of a white or yellowish color. [1913 Webster] Note: The term was originally… …
10Pyrites — Py*ri tes, n. [L., fr. Gr. ?, fr. ? fire. See {Pyre}.] (Min.) A name given to a number of metallic minerals, sulphides of iron, copper, cobalt, nickel, and tin, of a white or yellowish color. [1913 Webster] Note: The term was originally applied… …
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