Description: Pyrite Huanzala Mine, Huallanca, Dos de Mayo, Huánuco, Peru Specimen size: 6.9 × 5.5 × 3.9 cm = 2.7” × 2.2” × 1.5” Former Silvane collection Photo: Reference Specimens -> http://www.fabreminerals.com/specimens/RSSLV-silvane-notable-specimens.php#AH96M4

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