Matrix Pieces
- United States
- Lincoln Hill mine, Rochester M.D, Nevada
- Peru
- San Luis Mine, Lucanas, Ayacucho Department
- United States
- Olinghouse Mine, Washoe Co. Nevada
- United States
- Shoshone Range, Lander County. Nevada
- Australia
- Nundle, New South Wales
- United States
- Adamson Mine, Winnemucca M.D. Humboldt Co. Nevada
- Australia
- Nundle, New South Wales
- Peru
- San Luis Mine, Lucanas, Ayacucho Department
- Russia
- Usnyera, Sakha Republic, Eastern Siberia
- United States.
- Dutchman Mine, Bouse, Plomosa District, Plomosa Mts, La Paz Co., Arizona.
- United States
- Olinghouse Mine, Washoe Co. Nevada
- United States
- Eagles Nest, California
- Morocco
- Taghouni mine, Taghouni, Bou Azer, Tazenakht, Ouarzazate.
- Australia
- Kambalda, Western Australia
- Peru
- Mina San Luis, Ayacucho City.
- Mexico
- Buena Vista, Sonora
- Australia
- Mount Remarkable, Charters Towers Region, Queensland
- Romania
- Roata Mine, Cavnic, Maramureș Co.
- Czech Republic
- Gurbe Eule, Prag Bohmen
- Peru
- Mina San Luis, Ayacucho City.
- Australia
- Murchison, Western Australia
- Peru
- Yangas, Santa Rosa de Quives district, Canta Province, Lima.
- Peru
- Julcani Dist. Angares province
- Peru
- Mina San Luis, Ayacucho City.
