VM56Z4: Chalcopyrite with Sphalerite and Dolomite - Picher Field, Oklahoma USA
Chalcopyrite with Sphalerite and Dolomite

Picher Field, Tri-State District, Ottawa County, Oklahoma  USA

Specimen size: 11.4 × 8.6 × 4.2 cm = 4.5” × 3.4” × 1.7”
Main crystal size: 3.2 × 2.5 cm = 1.3” × 1.0”

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