Mohawk Mine, Mohawk, Keweenaw Co., Michigan, USA

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Algodonite : (Cu_1-xAs_x)
	Mohawk Mine, Mohawk, Keweenaw Co., Michigan, USA Algodonite (formerly Whitneyite) - an approx 5 x 3 cm massive metallic polished nodular section. See additional photos and Charles Hoadley label.
© Christopher O'Neill	Photo ID: 160258 View Count: 194
Algodonite : (Cu_1-xAs_x)
	Mohawk Mine, Mohawk, Keweenaw Co., Michigan, USA Dull or brilliant grey Algodonite Size: 3 X 2 cm Collection and photo: Arliguie M
© Arliguie M	Photo ID: 218512 View Count: 68
Copper : Cu
	Mohawk Mine, Mohawk, Keweenaw Co., Michigan, USA 9.0 x 5.2 x 4.0 cm. An extremely showy two-sided copper specimen of a nest of spinel-twinned copper "feathers", flat, leaf-like copper plates and elongated, flat, blocky columns from the less well-known Mohawk Mine of Michigan’s Copper Country. Many of the crystals have a very rich, buttery red patina. Old and classic material from the George ...
© Rob Lavinsky	Photo ID: 122194 View Count: 101
Copper : Cu
	Mohawk Mine, Mohawk, Keweenaw Co., Michigan, USA The "Copper Pines"! I named this specimen because of its uncanny resemblance to Ponderosa Pine trees. It's composed of hundreds of sharp, well defined Copper crystal growing in a dendritic pattern from top to bottom. The crystals are larger at the base and gradually become smaller as you reach the top. From the Mohawk Mine in Calumet, ...
© www.exceptionalminerals.com	Photo ID: 154358 View Count: 76
Copper : Cu
	Mohawk Mine, Mohawk, Keweenaw Co., Michigan, USA An absolutely gorgeous and very large dendritic mass of native copper from the legendary Keweenaw Peninsula. Ex Collection of Hershel Friedman. Sold to Lino Montoro Moreno June 2009. Hershel Friedman photograph. Dimensions (cm): 13 x 12 x 3
© Hershel Friedman	Photo ID: 237293 View Count: 33
Copper : Cu
	Mohawk Mine, Mohawk, Keweenaw Co., Michigan, USA Measures 17" x 8.25" x 2.5". Beautiful large plate of copper crystals collected prior to 1900. Individual crystals up to 7/8". David Johnson Collection.
	Photo ID: 221585 View Count: 30
Copper : Cu
	Mohawk Mine, Mohawk, Keweenaw Co., Michigan, USA Nice crystalline specimen that measures 4 3/4" x 3 1/4" x 2 1/2". Ex-Bob Hajenga Collection, now David Johnson Collection.
	Photo ID: 268524 View Count: 11
Copper : Cu
	Mohawk Mine, Mohawk, Keweenaw Co., Michigan, USA Excellent old-timer from an old collection sold in the 1950s. Specimen measures 6 1/2" long. Ex-Bob Hajenga Collection, now David Johnson Collection.
	Photo ID: 268525 View Count: 5
Datolite : CaB[OH\|SiO₄]
	Mohawk Mine, Mohawk, Keweenaw Co., Michigan, USA This nice size specimen measures 3 1/8" across. The green center is a result of oxidized microscopic copper staining the center. David Johnson Collection.
	Photo ID: 268015 View Count: 5
Domeykite : Cu₃As, Copper : Cu, Quartz : SiO₂
	Mohawk Mine, Mohawk, Keweenaw Co., Michigan, USA A classic, sliced ore specimen of a vein of massive, brass-colored domeykite in quartz with copper. Domeykite is a copper arsenide and this is a fine, rich representative piece from the famous Mohawk Mine of Michigan. Ex Richard Hauck Collection. This small cabinet weighs over 1 and 1/2 pounds or 688 grams! 6.7 x 6.4 x 4.0 cm
© Rob Lavinsky	Photo ID: 42135 View Count: 347