ARGENTUM (ſilver), mineralized by the vitriolic and muriatic acids, and ſulphur.

I doubt whether this be a diſtinct ſpecies, ſince the ſulphur and the ſalts ſcarcely admit of any other than a mechanical union.

§ 163.

ARGENTUM (ſilver), mineralized by ſulphur. Glaſſy.

Cronstedt Min. § 169. Minera argenti vitrea.

It ſometimes contains ⁷³⁄₁₀₀ of ſilver, or more.

§ 164.

ARGENTUM (ſilver), mineralized by ſulphur and iron. Marcaſitical.

Cronstedt Min. § 176, 10. Pyrites argenteus.

§ 165.