Natural Copper Specimen

35 pieces of Copper from Arizona. Coppery red native copper in interesting shapes from Arizona. Natural History Specimen. Lot also includes a bag of copper in Selenite from Arizona. From the estate of

An unusual specimen of native copper in matrix from Michigan, USA, with a sawn and polished face exposing the copper, coated with an acrilic to prevent oxidation of the copper. Found Michigan, USA; fr

3 Copper Crystals Michigan 7oz

Natural free-form malachite copper carbonate hydroxide mineral specimen with concave polished center surrounded by crystalline unpolished border, polished sides, unfinished raw stone bottom. Unmarked.

Natural Copper Crystal Michigan 9oz

A group of two copper ore specimens. 97 grams total, 42-51mm (1 3/4 - 2"). Property of a Gloucestershire gentleman; inherited from his grandfather. [2, No Reserve]

Two mineral free form specimens. 1st item: Crystal column form mineral specimen with a natural unpolished base. 8 1/4" H x 5" W. 2nd item: Collection of free form copper nuggets, housed in a glass jar

Copper Michigan 6 Specimen

A specimen of chalcopyrite (copper pyrite) showing iridescence typical of the weathered mineral, but in an unusually intense blue-green; in plastic display box with label on underside reading: 'Peacoc

A specimen of the copper silicate chrysocolla, on matrix. From the historic ‘Victorian Museum’ and later collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gregory, Bottley & Co. (1932-1

A crust of the rare copper sulphate mineral langite on a rock groundmass, from Ireland, in old white card tray with adhesive tape label reading '1093, Langite, Co. Cork'. From Co. Cork, Ireland; from

Copper Ore Slab Michigan 1lb 8oz

Copper Crystal Keweenaw, MI 2.4lb

1lb copper nugget. Michigan

Copper Nugget Keweenaw ~ Michigan 1lb

Rare Copper Included Calcite Michigan 11.2g

Copper Crystal MI 1oz

Copper Crystals from White Pine Mine Keweenaw, MI 1lb 12oz

Copper Michigan

Copper Crystal Caledonia Mine, MI 1lb 14oz

Copper/Silver Halfbreed Nugget MI Charlie Hall Collection

Copper Crystal Michigan 1lb 14oz

Copper Crystal Unique Formation Keweenaw, MI 10oz

Copper Ore Slab Keweenaw, MI 1lb 9oz