mineral general info

Origin: Itauz Mine, Dzhezkazgan, Kazakhstan

Sample size: 4.0 x 0.9 x 0.5 cm (top), 3 x 1 x 0.3 cm (2nd row), 2.6 x 1.6 x 1.0 cm (3rd row), 4.1 x 1.3 x 0.4 cm (bottom)

Copper and silver (halfbreed)

Origin: White Pine Mine, Ontonagon County, Michigan, U.S.A.

Sample size: 8.5 x 5.7 x 2.9 cm

Origin: Mountain City Mine, Mountain City, Elko Co., Nevada, U.S.A.

Sample size: 6.7 x 3.4 x 1.3 cm

Origin: Ray Mine, Pinal Co., Arizona, U.S.A.

Sample size: 7.1 x 2.2 x 0.7 cm

Origin: Morenci, Arizona, U.S.A.

Sample size: 10.5 x 5.5 x 0.3 cm (top), 16.8 x 12.4 x 0.5 cm (bottom)

Copper nugget

Origin: Keweenaw Peninsula, Michigan, U.S.A.

Sample size: 11.4 x 6.8 x 0.8 cm (top), 7.8 x 3.2 x 1.8 cm (bottom)

Origin: probably Quincy Mine, Hancock, Houghton Co., Michigan, U.S.A.

Ex. Andrew Carnegie collection (1835-1919)

Sample size: 13.5 x 9.2 x 2.2 cm

Origin: Lake Superior District, Keweenaw Peninsula, Michigan, U.S.A.

Ex. Andrew Carnegie collection (1835-1919)

Sample size: 16.1 x 9.4 x 7.2 cm

Origin: Lake Superior District, Keweenaw Peninsula, Michigan, U.S.A.

Ex. Andrew Carnegie collection (1835-1919)

Sample size: 38.0 x 16.0 x 3.5 cm

Origin: Houghton County, Keweenaw Peninsula, Michigan, U.S.A.

Sample size: 4.4 2.7 x 2.5 cm

Origin: Keweenaw Peninsula, Michigan, U.S.A.

Sample size: 12.7 x 8.0 x 4.0 cm

Origin: Mt. Elliot Mine, Queensland, Australia

Sample size: 4.1 x 2.8 x 1.5 cm

Origin: Glacial Drift, Houghton Co., Keweenaw Peninsula, Michigan, U.S.A.

Sample size: 10.6 x 6.5 x 1.5 cm

Origin: Ontonagon, Keweenaw Peninsula, Michigan, U.S.A.

Sample size: 25 x 17 x 2 cm

Origin: Phoenix Mine, Keweenaw Co., Michigan, U.S.A.

Sample size: 10 x 7 x 5.7 cm

Copper with calcite

Origin: Keweenaw Peninsula, Michigan, U.S.A.

Sample size: 5.9 x 4.8 x 3.2 cm

Origin: Onganja Mine, S.W. Africa

Sample size: 3.4 x 2.7 x 1.6 cm

Copper with cuprite and tenorite patinas

Origin: Old Indiana Mine, Ontonagon Co., Michigan, U.S.A.

Sample size: 7.2 x 5.5 x 3.7 cm

Origin: Mass Mine, Keweenaw, Peninsula, Michigan, U.S.A.

Sample size: 6.8 x 4.7 x 2.8 cm

Origin: Glacial Drift, Houghton County, Michigan, U.S.A.

Sample size: 9.7 x 8.6 x 2.0 cm

Origin: Morenci, Arizona, U.S.A.

Sample size: 11.2 x 8.0 x 2.6 cm (top), 10.0 x 8.8 x 2.0 cm (2nd row), 10.9 x 6.0 x 2.9 cm (bottom)

Origin: Itauz Mine, Dzhezkazgan, Kazakhstan

Sample size: 2.8 x 1.2 x 1.1 cm

Origin: Glacial Drift, Houghton County, Michigan, U.S.A.

Sample size: 10.1 x 8.0 x 3.0 cm

Origin: Itauz Mine, Dzhezkazgan, Kazakhstan

Sample size: 3.3 x 2.4 x 1.6 cm (top), 3.2 x 1.1 x 0.4 cm (2nd row), 2.1 x 1.7 x 0.3 cm (bottom)

Origin: Glacial Drift, Houghton County, Michigan, U.S.A.

Sample size: 9.0 x 6.0 x 1.9 cm

Origin: Centennial Mine, Houghton Co., Michigan, U.S.A.

Ex. Ed David Collection

Sample size: 3.8 x 2.3 x 1.9 cm

Native copper on hollow dolomite cast

Origin: Tsumeb, Namibia

Ex. W. Israel collection

Sample size: 6 x 3 x 3 cm (top), 9 x 7 x 5 cm (bottom)

Origin: First Level, Weyerhauser Copper Mine, Douglas Co., Wisconsin, U.S.A.

Sample size: 10.7 x 8.0 x 4.7 cm

Origin: Morenci, Arizona, U.S.A.

Sample size: 11.9 x 7.0 x 3.0 cm (top), 10.1 x 8.7 x 1.8 cm (2nd row), 11.5 x 6.4 x 1.1 cm (3rd row), 8.2 x 5.4 x 1.0 cm (bottom)

Origin: Ray Mine, Pinal Co, Arizona, U.S.A.

Sample size: 10.9 x 9.9 x 3.3 cm

Origin: Keweenaw Peninsula, Michigan, U.S.A

Sample size: 8.7 x 7.1 x 2.3 cm

Origin: Itauz Mine, Dzhezkazgan, Kazakhstan

Sample size: 5.3 x 1.0 x 0.5 cm (top), 2.9 x 1.8 x 0.3 cm (2nd row), 4.1 x 1.2 x 0.7 cm (bottom)

"Half-breed" nodule, showing two distinct areas of solid silver surrounded by the copper.

Origin: Keweenaw Peninsula, Michigan, U.S.A.

Sample size: 8.5 x 8.1 x 0.4 cm (top), 9.5 x 8.6 x 1.7 cm (bottom)

Origin: White Pine Mine, Ontonogan County, Michigan, U.S.A.

Sample size: 10.9 x 7.6 x 1.2 cm

Origin: Bisbee, Cochise County, Arizona, U.S.A.

Sample size: 2.1 x 1.7 x 0.8 cm

Origin: Houghton County, Michigan, U.S.A.

Sample size: 5.1 x 3.0 x 2.8 cm

Origin: Copper Creek Shaft, N. of Sault Ste. Marie, Ontario, Canada

Sample size: 4.5 x 4.0 x 4.0 cm

Origin: Old Indiana 1 Mine, Ontonagon Co., Michigan, U.S.A.

Sample size: 5.0 x 3.6 x 3.2 cm

Origin: Bisbee, Cochise Co., Arizona, U.S.A.

Ex. Dr. H.M. Brennecke collection

Sample size: 10.0 x 5.7 x 5.0 cm

Copper with cuprite

Origin: Ray Mine, Pinal Co, Arizona, U.S.A.

Sample size: 11.5 x 8 x 0.3 cm

Origin: Copper Falls Mine, Keweenaw Co, Michigan, U.S.A.

Sample size: 5.5 x 2.7 x 1.2 cm

Origin: Phoenix Mine, Keweenaw Co, Michigan, U.S.A.

Sample size: 4.7 x 3.5 x 1.5 cm

Origin: Copper Creek Mine, Lake Superior, Ontario, Canada

Sample size: 8.4 x 3.9 x 3.7 cm

Origin: Dzeshkazgan Mine, Dzezkazgan Oblast, Kazakhstan

Sample size: 18.3 x 7.7 x 0.5 cm

Copper wire on quartz (with chlorite inclusions)

Origin: Osceoloa Mine, Houghton Co., Michigan, U.S.A.

Sample size: 2.5 x 1.6 x 0.9 cm (top), 5.0 x 4.3 x 2.9 cm (bottom)

Origin: Santa Rita Pit, Grant Co., New Mexico, U.S.A.

Sample size: 9.7 x 4.4 x 2.2 cm

Origin: Itauz Mine, Djezkazgan, Central Kazakhstan

Sample size: 4.5 x 0.8 x 0.3 cm (top), 4 x 1.5 x 0.2 cm (bottom)

Origin: Dzezkazgan Mine, Dzeshkazgan Oblast, Kazakhstan

Sample size: 16.3 x 11.0 x 0.8 cm

Origin: Ray Mine, Pinal Co., Arizona, U.S.A.

Ex. Sensel collection

Sample size: 11.7 x 6.0 x 1.3 cm

Origin: Copper Creek Mine, Lake Superior, Ontario, Canada

Sample size: 6.5 x 3.4 x 2.6 cm

Photo courtesy of:

Rob Lavinsky

The Arkenstone

Pseudomorph of copper after azurite rosettes attached to a limestone fragment; see Mineralogical Record 25,3 for a detailed description of these pseudo's

Origin: Copper Rose Mine, Georgetown District, Grant Co., New Mexico, USA

Sample size: 1.5 x 2.3 cm

Photo courtesy of:

Diederik Visser

Diederik Visser Minerals & Petrological Services

Origin: Central Mine, Keweenaw County, Michigan, U.S.A.

Sample size: 4.8 x 4.5 x 1.2 cm

Ex. Bill Birnie collection

Copper on calcite, ex Bill Birnie collection

Ex. Bill Birnie collection

Copper with tenorite, ex Bill Birnie collection

Origin: Onganja Mine, near Seeis, Windhoek, Namibia

Sample size: 7.6 x 2.3 x 2 cm (top), 5.8 x 5 x 3.3 cm (2nd row), 6 x 4.5 x 4 cm (3rd row), 8.4 x 4.2 x 2.1 cm (4th row), 11.5 x 4.5 x 2 cm (5th row), 12 x 6 x 5 cm (6th row), 13.5 x 10 x 6.8 cm (7th row), 13.5 x 10 x 6.8 cm (8th row), 18 x 16 x 9 cm (9th row), 17 x 9 x 7 cm (bottom)

Ex. Bill Birnie collection

Copper and cuprite on calcite, ex. Bill Birnie collection

Copper and cuprite in calcite, ex. Bill Birnie collection

Origin: Onganja Mine, near Seeis, Windhoek, Namibia

Sample size: 3.2 x 2 x 0.8 cm (top), 3.2 x 1.9 x 1 cm (2nd row), 3.2 x 1.6 x 1.3 cm (3rd row), 2.9 x 1.5 x 0.8 cm (4th row), 4.7 x 3.7 x 2 cm (5th row), 4.3 x 2.2 x 1.5 cm (6th row), 3.5 x 2 x 1 cm (7th row), 2.7 x 1.9 x 1.2 cm (8th row), 5.5 x 2 x 1 cm (9th row), 3.2 x 2 x 1.3 cm (10th row), 4.7 x 0.9 x 0.8 cm (11th row), 2.5 x 2.2 x 2 cm (12th row), 3 x 2.2 x 1 cm (13th row), 2.5 x 2.2 x 2 cm (14th row), 4.3 x 2 x 1 cm (15th row), 2.8 x 2.5 x 1 cm (16th row), 4.5 x 1.5 x 1.3 cm (17th row), 3.8 x 2.2 x 1.7 cm (18th row), 3.2 x 2.2 x 1.1 cm (19th row), 3.2 x 2.2 x 1.1 cm (20th row), 3.5 x 2.2 x 1.5 cm (21th row), 3.2 x 2.2 x 1.7 cm (22th row), 3.5 x 2 x 1.5 cm (23rd row), 3.7 x 3 x 1.3 cm (24th row), 5 x 1.7 x 1.1 cm (25th row), 4.2 x 2.6 x 1 cm (26th row), 3.7 x 3.3 x 2.4 cm (27th row), 5.2 x 3.2 x 3 cm (28th row), 5.8 x 5 x 2.5 cm (29th row), 8 x 4.5 x 3 cm (30th row), 6.6 x 4.8 x 4.2 cm (31th row), 4.2 x 3.6 x 2.2 cm (bottom)

Copper and tenorite

This specimen of crystalline copper is lightly coated with minute crystals of calcite which are colored blue by inclusions of chalcanthite

Origin: Onganja Mine, Near Seeis, Namibia
Ex. Bill Birnie collection

Sample size: 8.5 x 4.5 x 4.3 cm (top), 7.5 x 6 x 5.5 cm (2nd row), 10.5 x 8 x 6 cm (3rd row), 15.5 x 8.5 x 4.3 cm (4th row), 18.5 x 10 x 8 cm (bottom)

Ex. Bill Birnie collection

Copper on calcite

Ex. Bill Birnie collection

Copper on calcite, ex Bill Birnie collection

Ex. Bill Birnie collection

Copper in calcite, ex. Bill Birnie collection

Copper and cuprite on calcite, ex. Bill Birnie collection

Copper nodule, ex. Bill Birnie collection

Origin: Onganja Mine, near Seeis, Namibia

Sample size: 5.8 x 4.2 x 3.7 cm (top), 4.5 x 3 x 2.7 cm (2nd row), 5 x 2.2 x 1.7 cm (3rd row), 4.4 x 3.1 x 2 cm (4th row), 6.5 x 4.2 x 1.5 cm (5th row), 6.5 x 4.2 x 1.5 cm (6th row), 5.8 x 4 x 3.3 cm (7th row), 5.5 x 5 x 4.2 cm (8th row), 3.6 x 2.8 x 1.4 cm (9th row), 4.4 x 2.8 x 2.3 cm (10th row), 4.4 x 3.5 x 2.5 cm (11th row), 4 x 3 x 2.2 cm (12th row), 2.7 x 2.1 x 1.7 cm (13th row), 4.6 x 3 x 2.2 cm (14th row), 7.1 x 5.8 x 3 cm (15th row), 7.8 x 6 x 2.9 cm (16th row), 7.3 x 3.7 x 3 cm (17th row), 5 x 2.8 x 2.5 cm (18th row), 5.6 x 2.8 x 2 cm (19th row), 6 x 2.5 x 1.9 cm (20th row), 10 x 10 x 5 cm (21th row), 7 x 6.5 x 3.8 cm (22nd row), 6 x 1.8 x 1.3 cm (23rd row), 4 x 2.8 x 1.7 cm (24th row), 5.5 x 3.4 x 3.2 cm (25th row), 4.2 x 3 x 1.8 cm (26th row), 7 x 4 x 2.3 cm (27th row), 4 x 3 x 1.3 cm (28th row), 6 x 3 x 2 cm (29th row), 4.5 x 2.6 x 2.2 cm (30th row), 4.2 x 3.2 x 1 cm (31st row), 6 x 1.7 x 1.5 cm (32nd row), 5 x 3 x 2.2 cm (33rd row), 6.2 x 4.7 x 3.5 cm (34th row), 7.7 x 6.1 x 4.3 cm (35th row), 17 x 10 x 9 cm (bottom)

Origin: Onganja Mine, Near Seeis, Namibia

Ex. Bill Birnie collection

Sample size: 3.6 x 3 x 1.6 cm (top), 6 x 5.5 x 4 cm (2nd row), number of specimens of copper in the thumbnail size range (bottom)

Ex. Bill Birnie collection

Copper on calcite, ex. Bill Birnie collection

Ex. Bill Birnie collection

Copper with minor alteration to malachite, ex. Bill Birnie collection

Ex. Bill Birnie collection

This specimen is comprised of crystalline copper and calcite included with chalcanthite, ex Bill Birnie collection

Copper with thin coating of chalcanthite, ex. Bill Birnie collection.

Ex. Bill Birnie collection

This sort of specimen is what is referred to as a skull cap. The specimen has a remarkable resemblance to a human skull. Without much imagination you can see a human nose at the front of this specimen. The interior of the skull has spherical masses of masses of both malachite and chrysocolla. Ex. Bill Birnie collection

Origin: Onganja Mine, near Seeis, Namibia

Sample size: 5.3 x 2.5 x 1.5 cm (top), 9.5 x 6 x 3.7 cm (2nd row), 5.5 x 4.5 x 4.2 cm (3rd row), 8.7 x 8 x 4.2 cm (4th row), 5.3 x 3 x 2.5 cm (5th row), 8.5 x 6 x 2 cm (6th row), 5.5 x 2.6 x 2 cm (7th row), 5 x 3.8 x 2.2 cm (8th row), 3.3 x 3.2 x 1.9 cm (9th row), 9.3 x 5 x 4 cm (10th row), 9 x 6 x 6 cm (11th row), 10 x 6.5 x 5.8 cm (12th row), 11 x 8 x 5 cm (13th row), 8.3 x 5 x 3.5 cm (14th row), 17 x 12 x 11 cm (bottom)

Ex. Bill Birnie Collection

Copper and cuprite in calcite, ex. Bill Birnie collection

Copper in calcite, ex. Bill Birnie collection

Origin: Onganja Mine, near Seeis, Namibia

Sample size: 3 x 2 x 1.3 cm (top), 3 x 2.2 x 1.3 cm (2nd row), 2.5 x 1.3 x 1 cm (3rd row), 2.5 x 1.9 x 1 cm (4th row), 3.2 x 2.6 x 1.5 cm (5th row), 3.6 x 2 x 1.3 cm (6th row), 6 x 5.7 x 4 cm (7th row), 3 x 2.1 x 1.5 cm (8th row), 3.3 x 2.5 x 1.4 cm (9th row), 4.5 x 3.6 x 3 cm (10th row), 2.7 x 1.6 x 1.6 cm (11th row), 3.7 x 3.2 x 3 cm (12th row), 3.6 x 3 x 1.7 cm (bottom)

Origin: Onganja Mine, near Seeis, Namibia

Ex. Bill Birnie Collection

Sample size: 4.8 x 2.6 x 2.3 cm

Photo courtesy of:

John Veevaert, Trinity Mineral Co

Trinityminerals.com

Origin: Onganja mine, Seeis, Namibia

Ex Tom Dwyer and Gil Griffin collections

Sample size: 1.5 x 0.7 x 4 cm

Connected dendritic crystallized copper wire
Origin: 2500' level - Unit 96, White Pine Mine, Ontonogan County, Michigan, U.S.A.

Ex Dave Ellis collection

Sample size: 15.5 cm in length

Origin: Ray mine, Hot Tamale Peak, Mineral Creek district, Pinal Co., Arizona, U.S.A.

Ex Marvin Pearce collection

Sample size: 4.5 x 1 x 7.5 cm

Copper pseudomorph after cuprite

Origin: Onganja mine, Namibia

Ex Marvin Pearce collection

Sample size: 17 x 14 x 19 mm

Copper/silver "halfbreed"

Origin: Calumet, Michigan, U.S.A.

Sample size: 5 x 4.8 x 2 cm

Origin: Mass mine, Mass City, Ontonagon Co., Michigan, U.S.A .

Sample size: 7.5 x 5.5 x 2.5 cm

Copper on calcite

Origin: Quincy mine, Hancock, Houghton Co., Michigan, U.S.A.

Sample size: 7 x 6.5 x 12 cm

Transparent to translucent scalenohedral crystals of calcite to 18 mm in size set on matrix. The calcite is partly included by native copper. There is also some crystallized native copper on the matrix.

Origin: Franklin mine, Franklin, Houghton County, Michigan, U.S.A.

Ex. Gene Tribbey Collection

Sample size: 5.5 x 6 x 3.8 cm