TZ91AF1: Copper (variety skull) - Centennial Mine, Michigan USA
Copper (variety skull)

Centennial Mine, Centennial, Houghton County, Michigan  USA

Specimen size: 8.7 × 6.8 × 4.5 cm = 3.4” × 2.7” × 1.8”
specimens/s_imagesAF1/Copper_skull-TZ91AF1s.jpg