: Known for large cleavage rhombohedrons of calcite .
: Documented in various editions of Minerals of California , including those published by the California State Mining Bureau. Nagyagite (Mineral) starlight nagyagite pdf
Nagyágite is a rare sulfide mineral that serves as a minor but scientifically significant ore of gold and tellurium. Its complex chemical formula— : Known for large cleavage rhombohedrons of calcite