Quiruvilca Mine, Quiruvilca District, Santiago de Chuco Province, Libertad Department, Peru - A specimen with lustrous orange orpiment crystals up to 15 mm on matrix. A classic from Peru. The crystals are quite translucent and show a nice orange color. There are 4 wel defined crystals on this rock. Overall size is 5x4.2x3.5 cm. Weight is 150 gr