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Group of rhombohedral Smithsonite crystals with curved faces and edges and a lenticular shape. They are pale pink color and have very well defined brown inclusions of iron oxides on their edges.
With a handwritten Sacco collection label, that we’ll send to the buyer.
Tsumeb Mine, Tsumeb, Otjikoto Region Namibia (1970-1985)
Specimen size: 3.8 × 2.7 × 2.2 cm = 1.5” × 1.1” × 0.9”
Price: Euro:230 / US$263 / Yen:29220 / AUD$360

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 = 1.5” × 1.3” × 0.9”

Main crystal size: 0.4 × 0.2 cm = 0.2” × 0.1”
Price: Euro:70 / US$80 / Yen:8890 / AUD$100

TJ13AH7: Copper

Very aerial dendritic growth with dodecahedral crystals that have very well defined faces and edges, with slight curvatures.
Ogonja (Onganja), Seeis, Windhoek District, Khomas Region Namibia
Specimen size: 3.7 × 1.9 × 1.1 cm = 1.5” × 0.7” × 0.4”
Price: Euro:80 / US$91 / Yen:10160 / AUD$120

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 = 2.3” × 1.3” × 0.8”
Price: Euro:170 / US$194 / Yen:21600 / AUD$260

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 = 3.0” × 1.0” × 0.4”
Price: Euro:220 / US$252 / Yen:27950 / AUD$340

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 “Bunk” Melanson collection.
Franklin Mine, Franklin, Houghton County, Michigan USA
Specimen size: 2.7 × 2.2 × 1.6 cm = 1.1” × 0.9” × 0.6”

Main crystal size: 1.9 × 1.9 cm = 0.7” × 0.7”
Price: Euro:850 / US$973 / Yen:108000 / AUD$1330

MF70Q1: Copper

Very aerial group of crystals better formed than usual, some of them with very well defined crystalline forms, of good size and luster.
Central Mine, Central, Keweenaw County, Michigan USA
Specimen size: 3.3 × 3.1 × 1.5 cm = 1.3” × 1.2” × 0.6”
Price: Euro:480 / US$549 / Yen:60990 / AUD$750

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 = 4.2” × 3.2” × 0.8”
Price: Euro:460 / US$526 / Yen:58450 / AUD$720

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 = 2.4” × 1.4” × 1.3”
Price: Euro:185 / US$211 / Yen:23500 / AUD$280

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 = 3.3” × 2.1” × 1.2”

Main crystal size: 1.2 × 1.2 cm = 0.5” × 0.5”
Price: Euro:160 / US$183 / Yen:20330 / 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 = 4.8” × 2.8” × 1.4”
Price: Euro:220 / US$252 / Yen:27950 / AUD$340

TA89S0: Copper after Cuprite and with Cuprite

A novelty at Tucson 2011. Group of very well developed crystals of native Copper, some of them perimorphs after Cuprite and coated by aggregates of octahedral crystals of the same species that are very bright and with slightly curved faces and edges.
Poteryaevskoe Mine, Block 2-1, ↓100 m., Rubtsovskoe, Rudnyi Altai, Altaiskii Kray, Western-Siberian Region Russia (20-25/11/2010)
Specimen size: 6.8 × 6.2 × 3.4 cm = 2.7” × 2.4” × 1.3”

Main crystal size: 0.9 × 0.6 cm = 0.4” × 0.2”
Price: Euro:480 / US$549 / Yen:60990 / AUD$750

EM37AA1: Copper with Calcite

Arborescent growth of elongated crystals with well-defined faces and edges, with a considerable length and on a small crystalline Calcite matrix. A museum quality sample.
Lake Superior, Keweenaw County, Michigan USA
Specimen size: 16 × 6.5 × 1.5 cm = 6.3” × 2.6” × 0.6”
Price: Euro:2300 / US$2634 / Yen:292260 / AUD$3600

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 = 3.5” × 2.0” × 1.7”

Main crystal size: 2 × 0.2 cm = 0.8” × 0.1”
Price: Euro:840 / US$962 / Yen:106730 / AUD$1310

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 = 1.5” × 1.2” × 0.3”
Price: Euro:190 / US$217 / Yen:24140 / AUD$290

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 = 3.7” × 2.5” × 1.5”

Main crystal size: 0.8 × 0.7 cm = 0.3” × 0.3”
Price: Euro:250 / US$286 / Yen:31760 / AUD$390

MG64AG3: Corkite on Plumbogummite

Coatings of very well defined micro-crystals of Corkite, a rare lead and iron sulfate-phosphate. They have an olive-green color, are very bright and are implanted on a clearer grayish-green Plumbogummite and on a limonite matrix.
The specimen has been reviewed, photographed and published as a new discovery in the magazine ‘‘Mineral Up’’ on page 64 in number 2017/2
Serra da Mina Mine, Cercal, Santiago do Cacém, Setúbal District Portugal (2016-2017)
Specimen size: 6.1 × 5.4 × 4.6 cm = 2.4” × 2.1” × 1.8”
Price: Euro:115 / US$131 / Yen:14610 / AUD$180

MP51AF0: Creedite

Acute Creedite crystals with very well defined faces and edges. They are transparent, very bright, with an intense and uniform violet color and, in some areas on the sample there are reddish Hematite inclusions. The sample is from the famous cavity opened at Santa Eulalia in 1984 that provided the best Creedite samples at the locality.
Santa Eulalia District, Municipio Aquiles Serdán, Chihuahua Mexico (1984)
Specimen size: 6.3 × 4.5 × 4.3 cm = 2.5” × 1.8” × 1.7”

Main crystal size: 0.6 × 0.3 cm = 0.2” × 0.1”
Price: Euro:580 / US$664 / Yen:73700 / AUD$900

TB56W7: Crocoite

Very well defined crystals, some of them doubly terminated, with very acute terminations and more isolated than usual. They have excellent luster and color and are on matrix. The locality, a classic for the species, has produced few samples of this quality.
Callenberg North open cut (No. 1), Callenberg, Zwickau, Saxony/Sachsen Germany (1977)
Specimen size: 6.3 × 6.2 × 3.4 cm = 2.5” × 2.4” × 1.3”
Price: Euro:150 / US$171 / Yen:19060 / AUD$230

EA11Y6: Cuprian Adamite

A novelty for 2013. Globular aggregates of micro-crystals with very intense green color, somewhat clearer in some areas, with very good luster and on a limonite matrix. The quality is excellent for the locality
Hilarion Mine, Hilarion area, Kamariza Mines, Agios Konstantinos, Lavrion Mining District, Attikí (Attica) Prefecture Greece (05/2013)
Specimen size: 5.1 × 4.5 × 3.8 cm = 2.0” × 1.8” × 1.5”
Price: Euro:60 / US$68 / Yen:7620 / AUD$90

EB14Y6: Cuprian Adamite

A novelty for 2013. Globular aggregates of micro-crystals with very intense and uniform green color, with very good luster and on limonite matrix. The quality is excellent for the locality.
Hilarion Mine, Hilarion area, Kamariza Mines, Agios Konstantinos, Lavrion Mining District, Attikí (Attica) Prefecture Greece (05/2013)
Specimen size: 6.7 × 5.8 × 4.3 cm = 2.6” × 2.3” × 1.7”
Price: Euro:90 / US$103 / Yen:11430 / AUD$140

MC11X8: Cuprian Adamite with Smithsonite

Spheroidal growths of cuprian Adamite in micro-crystals whose color is between green and bluish green. They are on limonite matrix, with white botryoidal Smithsonite. It is a rarity at the small Serpieri mine at Lavrion, not well known for collectible samples.
Serpieri Mine, Kamariza Mines, Lavrion Mining District, Attikí (Attica) Prefecture Greece (01/2013)
Specimen size: 3.5 × 3.4 × 1.6 cm = 1.4” × 1.3” × 0.6”
Price: Euro:70 / US$80 / Yen:8890 / AUD$100

TR96AD6: Cuprite

A novelty at Tucson 2016. Polycrystalline aggregate of Cuprite crystals showing the dominant octahedron beveled by the dodecahedron, with very well defined faces and edges. The crystals, on a rocky matrix with massive Cuprite, are translucent and have a very deep red color that is partially masked by their extraordinary luster.
Milpillas Mine, Cuitaca, Municipio Santa Cruz, Sonora Mexico (12/2015-01/2016)
Specimen size: 2.1 × 1 × 1.1 cm = 0.8” × 0.4” × 0.4”
Price: Euro:160 / US$183 / Yen:20330 / AUD$250

TA49AH5: Cuprite

Polycrystalline surface of crystals with the dominant octahedron, but also with the faces of the dodecahedron and the cube. The crystals are translucent, very bright with a vivid red color and are on matrix. Of the best quality for that mine.
Milpillas Mine, Cuitaca, Municipio Santa Cruz, Sonora Mexico (2012-2013)
Specimen size: 3.3 × 3.1 × 2.6 cm = 1.3” × 1.2” × 1.0”

Main crystal size: 1 × 0.4 cm = 0.4” × 0.2”
Price: Euro:440 / US$504 / Yen:55910 / AUD$680

TR99AC9: Cuprite

A novelty at Tucson 2016. Very bright and sharp Cuprite crystals from recent finds at the Milpillas mine.
Milpillas Mine, Cuitaca, Municipio Santa Cruz, Sonora Mexico (12/2015-01/2016)
Specimen size: 5.6 × 5 × 2.5 cm = 2.2” × 2.0” × 1.0”
Price: Euro:480 / US$549 / Yen:60990 / AUD$750

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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