Copper Gallery

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Copper : Cu, Calcite : CaCO₃
	Quincy Mine, Hancock, Houghton Co., Michigan, USA A very beautiful specimen of copper & calcite, exhibiting doubly terminated calcites, quite rare. 3/4 x .60 x .60 inches. Crystal-Odyssey specimen. gemcrystals@aol.com
© Joseph A. Freilich	Photo ID: 71973 View Count: 234
Copper : Cu, Calcite : CaCO₃, Prehnite : Ca₂Al₂Si₃O₁₂(OH), Epidote : {Ca₂}{Al₂Fe³⁺}[O\|OH\|SiO₄\|Si₂O₇]
	Quincy Mine, Hancock, Houghton Co., Michigan, USA 60 x 50 x 60 mm. Ex: S.B. Whiting of Calumet & Hecla, Mine manager from 1892-93, after which was donated to the Philadelphia Academy Of Natural Sciences.
© Joseph A. Freilich LLC	Photo ID: 166823 View Count: 302
Copper : Cu
	Quincy Mine, Hancock, Houghton Co., Michigan, USA 2.3 x 2.3 x 1.4 cm. From the outstanding copper collection of the A. E. Seaman Museum, a bushy cluster consisting completely of sharp spinel-twinned crystals, an old-timer from the Quincy Mine.
© Rob Lavinsky	Photo ID: 119308 View Count: 78
Copper : Cu
	Quincy Mine, Hancock, Houghton Co., Michigan, USA Bright copper clearly visible inside and emerging from sharp, transparent calcite crystals. A Michigan classic, and also a fine miniature! This piece has excellent form and contrast. The crystals are unusually transparent. It is unusual in that regard. It comes from a local Dallas collection. 5 x 3.2 x 2.6 cm
© Rob ++++++++	Photo ID: 19429 View Count: 279
Copper : Cu, Silver : Ag
	Quincy Mine, Hancock, Houghton Co., Michigan, USA Hollow formation 3.5 cm long of native copper in in calcite, quartz, prehnite matrix with tarnished blebs of native silver up to 1 cm. Most remarkable is this appears it could be a native copper pseudomorph after a scalenohedral calcite crystal. Overall size of mineral specimen: 6x4x3 cm. Size of individual crystals: 1-10 mm.
© 2002 John H. Betts	Photo ID: 3917 View Count: 434
Copper : Cu
	Quincy Mine, Hancock, Houghton Co., Michigan, USA An extraordinary Michigan copper, wonderfully sculptural, with a well crystallized "stalk" leading up to a monster single crystal of fine form (4.25 cm). This crystal is complete and uncontacted all around, and in fact the piece can be displayed from either direction. 6.8 x 4.3 x 2.5 cm
© Rob ++++++++	Photo ID: 19055 View Count: 271
Copper : Cu
	Quincy Mine, Hancock, Houghton Co., Michigan, USA This is an incredible, important, matrix copper-calcite specimen from the late 1800s. It is classic material, but seldom do we see such aesthetically fine, and matrix, specimens! The crystals are lustrous, gemmy, and pristine! The cluster measures 3.5 inches across, with crystals to 2 inches (and doubly-terminated). The matrix is a heavy mix of ...
© Rob Lavinsky	Photo ID: 65460 View Count: 225
Copper : Cu
	Quincy Mine, Hancock, Houghton Co., Michigan, USA Copper from Quincy Mine, Houghton Co., Michigan Floater of well formed Copper from a classic locality. Size:4 x 2 cm
© fabreminerals.com	Photo ID: 55570 View Count: 162
Copper : Cu
	Quincy Mine, Hancock, Houghton Co., Michigan, USA A remarkable copper miniature, with crystals of the " walnut type" habit, completely covering the specimen. The patina is a deep mahogany. 3.0 x 2 1/4 x 1 1/4 inches. Crystals to 3/4 inches.
© Joseph A. Freilich	Photo ID: 72719 View Count: 152
Copper : Cu
	Quincy Mine, Hancock, Houghton Co., Michigan, USA Measures 4" x 3" x 3.25". Rather unusual crystal formation in this old-timer from a classic locale. David Johnson Collection.
	Photo ID: 220012 View Count: 68