How do I identify Nagyágite?

Nagyágite can be identified by its hardness of 1 - 1.5 on the Mohs scale, Black-grey color. Look for these key characteristics when examining specimens.

What color is Nagyágite?

Nagyágite typically appears in Black-grey. Color can vary depending on impurities and formation conditions.

How hard is Nagyágite?

Nagyágite has a hardness of 1 - 1.5 on the Mohs scale. This makes it a soft mineral that can be scratched easily.

How to Identify Nagyágite | Properties, Meaning & Uses

What is Nagyágite?

Nagyágite (Pb5Au(Te,Sb)4S5-8) is a rare sulfide mineral with known occurrence associated with gold ores. Nagyágite crystals are opaque, monoclinic and dark grey to black coloured. It was first described in 1845 for an occurrence at the type locality of the Nagyág mine, Săcărâmb, Hunedoara County, Romania. It occurs in gold–tellurium epithermal hydrothermal veins. Minerals associated with nagyágite include: altaite, petzite, stutzite, sylvanite, tellurantimony, coloradoite, krennerite, native arsenic, native gold, proustite, rhodochrosite, arsenopyrite, sphalerite, tetrahedrite, calaverite, tellurobismuthite, galena and pyrite.

Nagyágite Market Value Calculator

Estimate the market value of Nagyágite using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.

Nagyágite Localities Map

See where Nagyágite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.