How do I identify Talnakhite?

Talnakhite can be identified by its Brass-yellow color. Look for these key characteristics when examining specimens.

What color is Talnakhite?

Talnakhite typically appears in Brass-yellow, tarnishes to pink or brown tints, then iridescent. Color can vary depending on impurities and formation conditions.

How to Identify Talnakhite | Properties, Meaning & Uses

What is Talnakhite?

Talnakhite is a mineral of chalcopyrite group with formula: Cu9(Fe, Ni)8S16. It was named after the Talnakh ore deposit, near Norilsk in Western Siberia, Russia where it was discovered as reported in 1963 by I. Budko and E. Kulagov. It was officially named "talnakhite" in 1968. Despite the initial announcement it turned out to be not a face centered high-temperature polymorph of chalcopyrite, but to have composition Cu18(Fe, Ni)18S32. At 80 °C (176 °F) to 100 °C (212 °F) it decomposes to tetragonal cubanite plus bornite.

Talnakhite Market Value Calculator

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

Talnakhite Localities Map

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