NATIVE COPPER ON MATRIX

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

A mixed group of mineral samples comprising: purple fluorite, blue opal, native copper, specularite with quartz, pyrite with quartz and sphalerite, bournonite with quartz, vanadinite, opal in matrix,

Large native copper specimen, possible origin Utah Tintic mine, having a smooth flattened profile and verdigris oxidization. Approximate Dimensions: h. 3.70", w. 16", d. 14".

Cuivre natif sur calcite Native Copper in Calcite Keweenaw Copper Mining District, Upper Peninsula, Michigan, USA Nearly half of the copper produced in the United States was mined in the Upper Peninsu

Three specimens of native copper from the Ray Mine in Pinal County, Arizona. There used to be a town of Ray, Arizona, but it got mined away as the open-pit copper mine expanded decades ago. The neares

Beautiful piece of shiny native copper encrusted with green malachite oxidation and a white mineral, probably calcite. Approx. size is 5 x 6 x 2.5 inches and it weighs about 4.2 pounds. Very nice disp

Collection of Native Copper slabs from Adams County PA, Magnetite slab from Cornwall PA, and Agate slabs (unknown location) largest Copper slab measures appx 4" 6"

A group of native copper specimens, each held in a white card collector's tray. 180 grams total, 24-42 mm (1 - 1 5/8 in.). Caledonia Mine, Ontonagon County, Michigan, USA. Mineral Imports, London, UK.

Measures 3" by 1 3/4" by 1 1/2". 75 grams

Measures 3 3/4" by 2 1/2" by 2". 111 grams

A group of ten native copper samples from Caledonia Mine; each in a labelled cardboard tray with find location. 115 grams total, 29-35mm (1 - 1 1/2"). From the historic ‘Victorian Museum’ or later

Native vein copper with basalt. Michigan, USA. 71.5 Grams. Approximately 55mm X 45mm X 25mm.

Measures 4 1/4" by 2 3/4" by 1". 136 grams

2 7/8? Native Copper Michigan

3 5/8" Native Copper Michigan

Lot of eleven tokens from the 49th state: 1) GOOD FOR / 12[x=#937/][x=#162/] / IN TRADE / THE NORTHERN // "NATIVE COPPER" / SEWARD, / ALASKA; Br., oval, 31 x 23 mm, nice EF condition. 2) NATIVE COPPER

Native Copper Crystal Michigan 11oz

Sterling silver bracelet with different gemstones per link. Each link is engraved with the associated gem to the reverse. Includes thompsonite, petsokey stone, native copper/silver nugget, Isle Royale

MATERIAL: Metal Copper CONDITION: Very good condition Size: 2 inch (50 mm) Weight: 3 oz (550 g.) Native copper is a rare mineral that has been known since ancient times. Translated from the Greek word

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

Raw nature copper sculpture, with wood stand, native copper typically occurs as irregular masses and fracture filling in volcanic rock, commonly in oxidized states, often found with other minerals, li

Native American copper celt, Mississippian Culture, 4.75"l, 2.1/8"w, authentication by Dwain Rogers with his certificate, housed in 8"x6"x.75" Riker box: 1.25lbs Start Price: $80.00

Early 20th c. Tecumseh Native American copper relief plaque. 15" x 10 1/2".

Native American, Midwestern United States, Michigan, Old Copper Complex Culture, Late Archaic Period, ca. 3000 BCE; Texas, Bell County, Caddo / Mississippian period, ca. 10th to 14th century CE. An in