Silver (halfbreed) - Mineral specimens search results

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Mineral specimens search results for [ Silver (halfbreed) ]

TQ6AN1: Silver and Copper (variety halfbreed)

Deformed native Silver crystals, with distinguishable faces and edges, on a native Copper matrix. A classic example of what in collecting jargon is known as a 'halfbreed'. We will ship the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Calumet No. 1 Mine, Calumet Township, Houghton County, Michigan USA
Specimen size: 2.4 × 1.9 × 1.2 cm = 0.94” × 0.75” × 0.47”
Price: [SOLD]

EGR96AQ1: Silver and Copper (variety halfbreed)

Arborescent growths of Silver and Copper, intermingled but, at the same time, well differentiated (“halfbreed” variety), both with recognizable and well developed crystal forms. A Keweenaw classic, rare and of excellent quality.
Keweenaw County, Michigan USA
Specimen size: 4.6 × 3.7 × 2.5 cm = 1.81” × 1.46” × 0.98”

Main crystal size: 1.6 × 0.5 cm = 0.63” × 0.20”
Price: [SOLD]

CFR69AO8: Silver with Copper (variety halfbreed)

Silver crystals with polycrystalline growths and discernible crystal forms, interspersed with an arborescent growth of Copper. A classic and, at the same time, a rarity from the USA. The specimen comes from the collection of duplicates of Carlos Curto (number 1989.29), whose label we will send to the buyer.
Lake Superior Mine, Phoenix, Keweenaw County, Michigan USA
Specimen size: 2.7 × 2.6 × 1.8 cm = 1.06” × 1.02” × 0.71”
Price: €440 / US$468 / ¥71790 / AUD$720

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