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Isolated crystals of Hutchinsonite, a rare sulpharsenide of thallium and lead, grew on a matrix composed of sharp, lustrous, pentadodecahedral Pyrite crystals, and white Quartz crystals. The combination exhibits beautiful contrast with the spheroidal ocher-orange aggregates of Orpiment. Note that Hutchinsonite is not a common species at all.
Quiruvilca Mine (La Libertad Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department Peru (03/2016)
Specimen size: 8.8 × 6.7 × 1.8 cm = 3.46” × 2.64” × 0.71”
Main crystal size: 0.3 × 0.1 cm = 0.12” × 0.04”
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