- Quiruvilca Mine (La Libertad Mine; ASARCO Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department, Peru
- Small Cabinet, 7.2 x 4.8 x 2.8 cm
- Ex. Charlie Key
A very RICH specimen with SHARP crystals to 6 mm of lustrous, glassy hutchinsonite, a very rare species containing thallium as a primary element. Ex. Charlie Key Collection.