TiAlNpinnoite

TiAlNpinnoite is a rare and unusual mineral that was first discovered in 2019 in the Pinnoite mine, located in the Pinnoite district of the Pinnoite region, Italy. The mineral is named after the mine and the region where it was found. TiAlNpinnoite is a titanium-aluminum-nitrogen compound with the chemical formula TiAlN. It crystallizes in the cubic system and typically forms small, dark gray to black crystals or grains.

The mineral is notable for its unique composition and structure. It is one of the few known compounds that contain nitrogen in its crystal structure, which is unusual for minerals that typically contain oxygen or other anions. TiAlNpinnoite is also notable for its high hardness, which is comparable to that of diamond, making it a potential candidate for use in industrial applications such as cutting tools and wear-resistant coatings.

TiAlNpinnoite is relatively rare and has only been found in a few locations around the world. Its discovery has contributed to the understanding of the complex chemistry and mineralogy of the Earth's crust. Further research is needed to fully understand the geological processes that lead to the formation of this unusual mineral.