BMM31 Sphalerite
Picher Field, Tri-state District, Oklahoma, United States (pre-1967)
24.9x 13.8x 2.8 cm
$395
A large plate of chert, with numerous sphalerite crystals scattered on both sides. This piece comes from pre-1967 workings in the Tri-State district that encompassed parts of Oklahoma, Missouri, and Kansas.