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TC260NVA: Conichalcite with Baryte and Gypsum

Druse of white Baryte crystals with a lenticular habit, with Gypsum and coatings of intense green microcrystals of Conichalcite (analyzed)
Santa Isabel cut, De Enmedio Range, Almendricos, Lorca, Comarca Alto Guadalentín, Region of Murcia (Murcia) Spain (12/2020)
Specimen size: 7.8 × 5.7 × 5.6 cm = 3.07” × 2.24” × 2.20”
Price: €60 / US$64 / ¥8510 / AUD$90

TC290BRB: Conichalcite with Baryte and Gypsum

Druse of white Baryte crystals with a lenticular habit, with Gypsum and coatings of intense green microcrystals of Conichalcite (analyzed)
Santa Isabel cut, De Enmedio Range, Almendricos, Lorca, Comarca Alto Guadalentín, Region of Murcia (Murcia) Spain (12/2020)
Specimen size: 8.4 × 6.8 × 5 cm = 3.31” × 2.68” × 1.97”
Price: €90 / US$96 / ¥12770 / AUD$140

19CDX59: Copper

Dendritic aggregate formed by deformed Copper crystals and small remnants of Quartz crystals. From the Ojibway mine in Keweenaw County, which was active between 1907 and 1913. The specimen comes from the former collection (duplicates) of Carles Curto (number 1985.67), whose label we will send to the buyer.
Ojibway Mine, Ojibway, Keweenaw County, Michigan USA
Specimen size: 2.6 × 2.2 × 0.7 cm = 1.02” × 0.87” × 0.28”
Price: €60 / US$64 / ¥8510 / AUD$90

EK12AH7: Copper

Arborescent growths of slightly deformed cubo-octahedral crystals with very well defined faces and edges and on matrix. The sample is from a locality that is not well known by collectors.
Cobriza Mine, Churcampa, San Pedro de Coris District, Churcampa Province, Huancavelica Department Peru (01-03/2014)
Specimen size: 3.9 × 3.3 × 2.2 cm = 1.54” × 1.30” × 0.87”

Main crystal size: 0.4 × 0.2 cm = 0.16” × 0.08”
Price: €70 / US$74 / ¥9930 / AUD$110

1M26: Copper

Arborescent growths of native Copper with some crystals having defined edges and rhombododecahedron faces.
Copper Harbor, Lake Superior, Keweenaw County, Michigan USA
Specimen size: 5.2 × 4.2 × 2.6 cm = 2.05” × 1.65” × 1.02”
Price: €120 / US$128 / ¥17030 / AUD$190

EP76AM5: Copper

Arborescent growth of Copper crystals with the dominant forms of the cube and the octahedron, shiny and with a very aesthetic arrangement.
Bou Nahas Mine, Oumjrane mining area, Alnif Commune, Tinghir Province, Drâa-Tafilalet Region Morocco (2018)
Specimen size: 5.4 × 5.3 × 3.8 cm = 2.13” × 2.09” × 1.50”

Main crystal size: 0.3 × 0.3 cm = 0.12” × 0.12”
Price: €160 / US$171 / ¥22710 / AUD$250

TA76AE8: Copper

A novelty at Tucson 2017. Dendritic aggregate of elongated octahedral crystals, with parallel growths and slight curvatures on the edges. It is from a locality not yet well known for collectible Copper samples.
Acari Mine, Caraveli Province, Arequipa Department Peru (2015)
Specimen size: 5.8 × 3.4 × 2 cm = 2.28” × 1.34” × 0.79”
Price: €170 / US$182 / ¥24130 / AUD$270

CY96AM5: Copper

Arborescent growth of very shiny Copper crystals with very well defined dodecahedron forms. An excellent miniature that comes from the Carles Curto collection (number 1984.24), whose label and computer file we will send to the buyer.
Corocoro, Pacajes Province, La Paz Department Bolivia
Specimen size: 3.2 × 2.7 × 1.6 cm = 1.26” × 1.06” × 0.63”

Main crystal size: 0.8 × 0.5 cm = 0.31” × 0.20”
Price: €180 / US$192 / ¥25550 / AUD$280

DF96AM2: Copper

Very aerial dendritic growth of Copper, with remnants of Quartz matrix and flat surfaces that correspond to casts of Quartz crystals that have disappeared.
The specimen is from the Lluís Daunis collection.
Caledonia Mine, Mass City, Ontonagon County, Michigan USA
Specimen size: 13.2 × 7.4 × 3.5 cm = 5.20” × 2.91” × 1.38”
Price: €190 / US$203 / ¥26970 / AUD$300

GA96AK5: Copper

Very aerial arborescent growth of native Copper crystals with defined faces and edges, some of them perfectly profiled, on matrix.
The sample is from the Casado Margolles collection (No. V 35), whose file we will send to the buyer.
Keweenaw County, Michigan USA
Specimen size: 4.9 × 2.7 × 2.8 cm = 1.93” × 1.06” × 1.10”
Price: €190 / US$203 / ¥26970 / AUD$300

TL27AE8: Copper

A novelty at Tucson 2017. Dendritic aggregate of elongated octahedral crystals with parallel growths and slight curvatures on the edges. It is from a locality not yet well known for collectible Copper samples.
Acari Mine, Caraveli Province, Arequipa Department Peru (2015)
Specimen size: 7.6 × 2.6 × 0.9 cm = 2.99” × 1.02” × 0.35”
Price: €220 / US$235 / ¥31230 / AUD$350

MRA67AP5: Copper

Dendritic growth with parallel aggregates of Copper crystals with a very profiled cubic habit. A little treasure that comes from a very classic locality.
Wheal Gorland, Saint Day, Camborne - Redruth - Saint Day District, Cornwall England / United Kingdom
Specimen size: 4 × 2.4 × 1.4 cm = 1.57” × 0.94” × 0.55”

Main crystal size: 0.2 × 0.2 cm = 0.08” × 0.08”
Price: €240 / US$256 / ¥34070 / AUD$380

9MF70Q1: Copper

Very aerial group of crystals better formed than usual, some of them with very well defined crystalline forms, of good size and luster. This mine operated from 1854 to 1898, producing more than 23 thousand tons of refined copper.
Central Mine, Central, Keweenaw County, Michigan USA
Specimen size: 3.3 × 3.1 × 1.5 cm = 1.30”
Price: €260 / US$278 / ¥36900 / AUD$410

EFB69AP3: Copper

Very aerial arborescent aggregate of Copper in which sharp crystals coexist with lamellar forms, with two different metallic tones, one more yellowish and the other more reddish.
Chengmenshan Mine, Jiujiang Co., Jiujiang Prefecture, Jiangxi Province China (2021)
Specimen size: 10.3 × 6.4 × 4.8 cm = 4.06” × 2.52” × 1.89”
Price: €460 / US$492 / ¥65300 / AUD$730

TF66AH5: Copper

Dendritic growth with a clearly dominant crystal of a good size, with the well-developed faces of the dodecahedron and the octahedron.
We’ll send the sample in its original Perkin’s box from the R.J. Noble collection, also containing the collection label in which it appears that it had previously been in the Frank Melanson collection.
Franklin Mine, Franklin, Houghton County, Michigan USA
Specimen size: 2.7 × 2.2 × 1.6 cm = 1.06” × 0.87” × 0.63”
Price: €850 / US$910 / ¥120660 / AUD$1360

MV66AM0: Copper

Floater group of very well defined dodecahedral crystals, bright and of good size, with fine alignments formed by the recrystallization of very shiny Copper microcrystals. With a little matrix and casts of vanished Quartz crystals. An American classic, a high quality miniature.
Keweenaw County, Michigan USA
Specimen size: 2.7 × 2.2 × 2.2 cm = 1.06” × 0.87” × 0.87”
Price: €1100 / US$1177 / ¥156150 / AUD$1760

TK69L5: Copper

A classic specimen from a classic locality. Dendritic growth of crystals of considerable size, elongated, with some well defined faces. Nice floater.
Houghton County, Michigan USA
Specimen size: 10.6 × 8.2 × 2 cm = 4.17” × 3.23” × 0.79”
Price: €460 / US$492 / ¥65300 / AUD$730

TF86H5: Copper

Excellent crystallization clearly showing the faces of the dodecahedron, even considering the typical deformation and elongation of crystals.
The sample is from an old collection of Northwestern University and we’ll include the label.
Keweenaw County, Michigan USA
Specimen size: 6 × 3.6 × 3.4 cm = 2.36” × 1.42” × 1.34”

Main crystal size: 1.7 × 0.7 cm = 0.67” × 0.28”
Price: €185 / US$198 / ¥26260 / AUD$290

ET86AF7: Copper (neoformed)

Aggregate of deformed and rounded crystals. A curious growth that is the result of the removal of copper during the mining in which the copper recrystallizes sometimes acquiring the shapes of the objects and machines it has grown on.
In other words, this copper has been formed naturally but is "neoformed" since its origin may be due to human activity in an old abandoned mine.
Zlaté Hory, Olomouc Region, Moravia Czech Republic (04/2014)
Specimen size: 8.4 × 5.3 × 3.1 cm = 3.31” × 2.09” × 1.22”
Price: €160 / US$171 / ¥22710 / AUD$250

EX27AF7: Copper (neoformed)

Aggregate of deformed and rounded crystals. A curious growth that is the result of the removal of copper during the mining in which the copper recrystallizes sometimes acquiring the shapes of the objects and machines it has grown on.
In other words, this copper has been formed naturally but is "neoformed" since its origin may be due to human activity in an old abandoned mine.
Zlaté Hory, Olomouc Region, Moravia Czech Republic (04/2014)
Specimen size: 12.2 × 7.2 × 3.5 cm = 4.80” × 2.83” × 1.38”

Main crystal size: 0.4 × 0.3 cm = 0.16” × 0.12”
Price: €220 / US$235 / ¥31230 / AUD$350

MV37AJ6: Copper with Calcite and Malachite

Surely this ample offers the most classic image of what a native Copper sample should be, with delicate and very well balanced arborescent growths of crystals with rounded faces and edges and with the precise matrix to give it the necessary esthetic character.
Manto Cuba Mine, San Pedro de Cachiyuyo, Inca de Oro, Chañaral Province, Atacama Region Chile
Specimen size: 7 × 4.5 × 3.4 cm = 2.76” × 1.77” × 1.34”
Price: €220 / US$235 / ¥31230 / AUD$350

TT73AF0: Copper with Cuprite

Dendritic Copper crystals that are very elongated and bright with well-defined faces and edges with very visible spinel law twinning. They are partially coated by reddish Cuprite.
The sample is with an old Copper City Rock Shop label that we’ll send to the buyer.
Ray Mines, Scott Mountain area, Mineral Creek District, Dripping Spring Mountains, Pinal County, Arizona USA
Specimen size: 9 × 5.2 × 4.3 cm = 3.54” × 2.05” × 1.69”

Main crystal size: 2 × 0.2 cm = 0.79” × 0.08”
Price: €840 / US$899 / ¥119240 / AUD$1340

ETW74AP3: Copper with Cuprite

Arborescent aggregate of native Copper, very aerial, with well defined crystals for the species, with good luster and partially coated by very sharp octahedral Cuprite crystals, lustrous and deep red.
Liufengshan Mine, Guichi District, Chizhou Prefecture, Anhui Province China (06/2022)
Specimen size: 11.4 × 12.3 × 4.8 cm = 4.49” × 4.84” × 1.89”
Price: €940 / US$1006 / ¥133440 / AUD$1510

EM96AA5: Copper with Cuprite

Very aerial dendritic growth of elongated and flattened Copper crystals showing very well defined Spinel-law twins and partially coated by cubo-octahedral Cuprite crystals. An excellent American classic.
Ray Mines, Scott Mountain area, Mineral Creek District, Dripping Spring Mountains, Pinal County, Arizona USA
Specimen size: 3.8 × 3.1 × 0.8 cm = 1.50” × 1.22” × 0.31”

Main crystal size: 1.4 × 0.3 cm = 0.55” × 0.12”
Price: €190 / US$203 / ¥26970 / AUD$300

TJ87AF6: Copper with Cuprite, Calcite and Malachite

Arborescent growth of native Copper crystals on matrix, with small octahedral Cuprite crystals which are very bright and intensely red. The Copper has coatings of Calcite and Malachite.
The sample is from the Vallecillo collection, Madrid.
Tsumeb Mine, Tsumeb, Otjikoto Region Namibia
Specimen size: 9.5 × 6.3 × 3.8 cm = 3.74” × 2.48” × 1.50”
Price: €250 / US$267 / ¥35490 / AUD$400

We work with the IMA approved names for minerals. If you are not sure of the IMA name for the mineral you are looking for you can select it from the following list


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