Chalcopyrite, Sphalerite, Rock, Crystal, Natural,

Epitaxial Chalcopyrite on Sphalerite Treece, KS 3oz

Epitaxial Chalcopyrite on Sphalerite 1970s Treece, Kansas 3oz

Sphalerite with Chalcopyrite on Quartz Missouri

Sphalerite on Chalcopyrite with Barite Washington Co Missouri 4oz

Chalcopyrite on Galena with Sphalerite and Needle Quartz Peru 14oz

Sphalerite Crystal Orbs on Irredescent Chalcopyrite Washington County, MO 1lb 5oz

Chalcopyrite Buick Mine, MO 1lb

Fluorite on Sphalerite Elmwood, TN 1lb 11oz

Russian Collection: Ferroaxinite, Astrophylitte, Boulangerite on Barite, Boulangerite on Rhodochrosite, Chalcopyrite, Uralolite Charlie Hall Collection

7pc Peacock Ore Chalcopyrite/Bornite AA Grade Mexico

3pc Bornite Chalcopyrite Mexico 1lb 12oz

Old Collection Tri-State Calcite on Sphalerite Treece ~ Kansas 4lb 11oz

Needle Quartz with Pyrite on Sphalerite Peru 1lb 13oz

Titanium on Sphalerite Drusy Quartz Sphere Madagascar

Sphalerite Drusy Quartz Sphere Madagascar

Epidote, Albite on Sphalerite Peru

Sphalerite Drusy/Quartz Madagascar

Missouri Collection: Barite, Chalcopyrite/Dolomite, Galena/Chalcopyrite, Pokrovskite, Calcite, Calcite/Pyrite, Marcasite/Calcite, Galena/Quartz Charlie Hall Collection

Rare Sphalerite Gemstone Italy 2.84 carats

White Barite and Sphalerite Rosettes on Marccesite Washington Co. ~ Mizzou 5lb 8oz

Chalcopyrite Polished End Cut Yukon 2lb 8oz

Sphalerite on Quartz Elmwood TN

Galena and Sphalerite on Hemetite Coated Quartz Crystals Mexico 6oz

Chalcopyrite Ware Eagle Mine Yukon ~ Alaska 1lb 5oz