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Double spheroidal Prehnite growth with very well defined polycrystalline surfaces. It is translucent, bright with a uniform pale green color and is implanted on a matrix coated by white Quartz. Of high quality, as is usual with samples from the Desmond Sacco collection.
Erongo Mountain, Usakos, Erongo Region Namibia (±2008)
Specimen size: 5.8 × 5.2 × 3.5 cm = 2.3” × 2.0” × 1.4”
Price: Euro:980 / US$1117 / Yen:122280 / AUD$1550

TR96V1: Proustite on Acanthite

Very aerial stalactitic growth of small crystals of Proustite with a small group of cubic crystals of Acanthite at the base.
Imiter Mine, Jebel Saghro, Imiter District, Ouarzazate Province, Souss-Massa-Drâa Region Morocco (01-02/2011)
Specimen size: 3.2 × 3.1 × 2 cm = 1.3” × 1.2” × 0.8”

Main crystal size: 0.1 × 0.1 cm = 0.0” × 0.0”
Price: Euro:180 / US$205 / Yen:22460 / AUD$280

AD6Z1: Pseudomalachite with Quartz

Botryoidal and microcrystalline growths of this relatively rare phosphate. They have a very deep and uniform color, are brighter than usual and they are on a Quartz matrix.
Miguel Vacas Mine, Vila Viçosa, Évora Portugal (±1980)
Specimen size: 6.5 × 6.3 × 5.7 cm = 2.6” × 2.5” × 2.2”
Price: Euro:80 / US$91 / Yen:9980 / AUD$120

TK49AI5: Pyrargyrite

Aggregate of crystals, on a little matrix, with a prismatic shape and flat terminations that are very bright, translucent and have reddish reflections. It is from a locality that is very new in the mineral world and that is producing very good silver sulphosalts. The sample has been analyzed and we’ll send a copy of the analysis to the buyer.
The specimen has been reviewed, photographed and published as a new discovery in the magazine ‘Mineral Up’ on page 37 of the 2018/02 edition.
San José Mine, San José del Progreso, Municipìo San José del Progreso, Ocotlán District, Valles Centrales Region, Oaxaca Mexico (01/2018)
Specimen size: 2.2 × 1.2 × 1.2 cm = 0.9” × 0.5” × 0.5”
Price: Euro:440 / US$501 / Yen:54900 / AUD$690

EV97AI8: Pyrargyrite with Miargyrite

Group of very well defined and bright Pyrargyrite crystals partially coated by white Quartz and small but very well defined Miargyrite crystals. The Miargyrite has been analyzed. An excellent miniature. We will send a copy of the analysis to the buyer.
San José Mine, San José del Progreso, Municipìo San José del Progreso, Ocotlán District, Valles Centrales Region, Oaxaca Mexico (01/2018)
Specimen size: 2.5 × 2 × 1.2 cm = 1.0” × 0.8” × 0.5”
Price: Euro:320 / US$364 / Yen:39920 / AUD$500

TF49AI8: Pyrargyrite with Polybasite

Group of very bright Pyrargyrite crystals with very well defined faces and edges, with an associated group of very sharp small Polybasite crystals and on a matrix of Quartz crystals.
Proaño Mine, Fresnillo de González Echeverría (Fresnillo), Municipio Fresnillo, Zacatecas Mexico
Specimen size: 8.5 × 7.4 × 3.4 cm = 3.3” × 2.9” × 1.3”
Price: Euro:480 / US$547 / Yen:59890 / AUD$760

TV37AH1: Pyrargyrite with Quartz

A novelty at Tucson 2018. Single translucent Pyrargyrite crystal with parallel growths, fine striations and intense reddish reflections. On matrix with small white Quartz crystals. The sample has been analyzed and we’ll send a copy of its analysis to the buyer.
San José Mine, San José del Progreso, Municipìo San José del Progreso, Ocotlán District, Valles Centrales Region, Oaxaca Mexico (01/2018)
Specimen size: 5.3 × 2.7 × 2.4 cm = 2.1” × 1.1” × 0.9”
Price: Euro:220 / US$250 / Yen:27450 / AUD$340

TF59AC9: Pyrite

Aggregate of very bright Pyrite crystals with dominant cube faces but very rich in other forms and with very well defined growth striations.
Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department Peru (08/2014)
Specimen size: 9.2 × 8.1 × 3.5 cm = 3.6” × 3.2” × 1.4”

Main crystal size: 3.7 × 3.2 cm = 1.5” × 1.3”
Price: Euro:390 / US$444 / Yen:48660 / AUD$610

CK36D3: Pyrite

Colored Pyrite with curved cubes covering a flat Calcite matrix.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal
Specimen size: 12 × 10 × 1.3 cm = 4.7” × 3.9” × 0.5”
Price: Euro:135 / US$153 / Yen:16840 / AUD$210

TT47AG9: Pyrite and Quartz

A crown of small cubic Pyrite crystals that are bright and are covering a spheroidal mass that sits on a cluster of Quartz crystals.
Boldut Mine, Cavnic mining area, Cavnic, Maramures Romania
Specimen size: 9.5 × 7.5 × 6.3 cm = 3.7” × 3.0” × 2.5”
Price: Euro:280 / US$319 / Yen:34930 / AUD$440

ED47Y1: Pyrite on Baryte "box" and Baryte

A novelty at St. Marie 2013. Echeloned growths of Pyrite perched on sharp casts left by preexisting thick tabular Baryte crystals that have been dissolved and subsequently replaced by a second generation of smaller colorless and transparent crystals of the same Baryte partially coating the Pyrite.
Bou Nahas Mine, Oumjrane mining area, Alnif, Tarhbalt, Er Rachidia Province, Drâa-Tafilalet Region Morocco (04/2013)
Specimen size: 11.2 × 6.5 × 5.5 cm = 4.4” × 2.6” × 2.2”
Price: Euro:240 / US$273 / Yen:29940 / AUD$380

TB66AG3: Pyrite with Calcite

Groups of octahedral Pyrite crystals with minor cube faces. They are very well defined and bright and are on a rocky matrix coated by small, very acute, scalenohedral Calcite crystals, transparent and bright. The sample is from a not well known Iowa mine.
Pint's Quarry, Raymond, Black Hawk County, Iowa USA
Specimen size: 7.5 × 6.5 × 4.3 cm = 3.0” × 2.6” × 1.7”

Main crystal size: 0.5 × 0.4 cm = 0.2” × 0.2”
Price: Euro:160 / US$182 / Yen:19960 / AUD$250

EY98AE5: Pyrite with Calcite

Aggregate of cubic Pyrite crystals with echeloned growths and polycrystalline formations on the cube faces. They are very well defined, bright and on a Dolomite matrix and with lenticular Calcite crystals. While well known and relatively common at Trepča, Pyrite is not easily found there as significant collectible samples and less so with such quality as this.
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District Kosovo (1994-2002)
Specimen size: 7.4 × 6.7 × 5.9 cm = 2.9” × 2.6” × 2.3”
Price: Euro:340 / US$387 / Yen:42420 / AUD$530

MQ88AG4: Pyrite with Calcite

Druse of complex Pyrite crystals very rich in faces, very bright and partially coated by white Calcite crystals. The sample is from recent finds.
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District Kosovo (2016)
Specimen size: 13.8 × 8.2 × 7.2 cm = 5.4” × 3.2” × 2.8”
Price: Euro:340 / US$387 / Yen:42420 / AUD$530

MB16AA7: Pyrite with Calcite-Dolomite and Siderite

Aggregate of cubic Pyrite crystals modified by the pyritohedron that produces a slight curvature on the edges. The Pyrite crystals, very bright, are on a matrix with small white Calcite-Dolomite crystals coating a lenticular Siderite crystal.
Minas da Panasqueira, level 0, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (10/2014)
Specimen size: 5.7 × 3 × 2.1 cm = 2.2” × 1.2” × 0.8”
Price: Euro:120 / US$136 / Yen:14970 / AUD$190

NV13AI8: Pyrite with Galena, Calcite and Quartz

Group of Pyrite crystals that are very rich in crystal forms, very bright, with unusual rounded and almost spherical Galena crystals and partially coated by spheroidal white Calcite growths and small Quartz crystals.
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District Kosovo (2010)
Specimen size: 5.7 × 4.9 × 3.4 cm = 2.2” × 1.9” × 1.3”

Main crystal size: 1.4 × 0.7 cm = 0.6” × 0.3”
Price: Euro:90 / US$102 / Yen:11230 / AUD$140

TD27AE9: Pyrite with Quartz and Tetrahedrite

Aggregate of complex Pyrite crystals formed by a dominant cube and two pyritohedra plus some other minor forms, and with small coatings of very sharp Tetrahedrite crystals and clear Quartz crystals. Such a rich morphology is unusual for Pyrite from this locality.
Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department Peru (02/2016)
Specimen size: 7.8 × 6.7 × 5.3 cm = 3.1” × 2.6” × 2.1”
Price: Euro:240 / US$273 / Yen:29940 / AUD$380

EF86AG3: Pyrite with Sphalerite and Calcite

Aggregate of Pyrite crystals with the dominant forms of the cube and dodecahedron and small octahedral faces. They are on matrix and bordered by white botryoidal Calcite growths and Sphalerite (marmatite variety) crystals. Different from the usual from this mine.
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District Kosovo (1994-2002)
Specimen size: 7 × 6.2 × 3.4 cm = 2.8” × 2.4” × 1.3”

Main crystal size: 1.5 × 0.7 cm = 0.6” × 0.3”
Price: Euro:160 / US$182 / Yen:19960 / AUD$250

EC11AI3: Pyrolusite with Romanèchite

Spheroidal Pyrolusite aggregates on a limonite matrix of bundles of crystals with finely but deeply striated faces. A considerable size and an extraordinarily bright luster contrasting with Romanéchite aggregates, powdery with a deep black color. The sample is of an extraordinary quality for the locality and even for the species.
Haití Mine, Cabezo de San Ginés, San Ginés de la Jara, Cartagena, Comarca Campo de Cartagena, Murcia, Region of Murcia Spain (10/2017)
Specimen size: 5.6 × 3.5 × 3 cm = 2.2” × 1.4” × 1.2”
Price: Euro:60 / US$68 / Yen:7480 / AUD$90

EA12AI3: Pyrolusite with Romanèchite

Spheroidal Pyrolusite aggregates on a limonite matrix of bundles of crystals with finely but deeply striated faces. A considerable size and an extraordinarily bright luster contrasting with Romanéchite aggregates, powdery with a deep black color. The sample is of an extraordinary quality for the locality and even for the species.
Haití Mine, Cabezo de San Ginés, San Ginés de la Jara, Cartagena, Comarca Campo de Cartagena, Murcia, Region of Murcia Spain (10/2017)
Specimen size: 4.4 × 3.8 × 2.2 cm = 1.7” × 1.5” × 0.9”

Main crystal size: 0.2 × 0.2 cm = 0.1” × 0.1”
Price: Euro:80 / US$91 / Yen:9980 / AUD$120

EB13AI3: Pyrolusite with Romanèchite

Spheroidal Pyrolusite aggregates on a limonite matrix of bundles of crystals with finely but deeply striated faces. A considerable size and an extraordinarily bright luster contrasting with Romanéchite aggregates, powdery with a deep black color. The sample is of an extraordinary quality for the locality and even for the species.
Haití Mine, Cabezo de San Ginés, San Ginés de la Jara, Cartagena, Comarca Campo de Cartagena, Murcia, Region of Murcia Spain (10/2017)
Specimen size: 5.6 × 4.1 × 2.1 cm = 2.2” × 1.6” × 0.8”
Price: Euro:90 / US$102 / Yen:11230 / AUD$140

EF14AI3: Pyrolusite with Romanèchite

Spheroidal Pyrolusite aggregates on a limonite matrix of bundles of crystals with finely but deeply striated faces. A considerable size and an extraordinarily bright luster contrasting with Romanéchite aggregates, powdery with a deep black color. The sample is of an extraordinary quality for the locality and even for the species.
Haití Mine, Cabezo de San Ginés, San Ginés de la Jara, Cartagena, Comarca Campo de Cartagena, Murcia, Region of Murcia Spain (10/2017)
Specimen size: 7.4 × 5.4 × 4.2 cm = 2.9” × 2.1” × 1.7”

Main crystal size: 0.2 × 0.2 cm = 0.1” × 0.1”
Price: Euro:90 / US$102 / Yen:11230 / AUD$140

EE6AI3: Pyrolusite with Romanèchite

Spheroidal Pyrolusite aggregates on a limonite matrix of bundles of crystals with finely but deeply striated faces. A considerable size and an extraordinarily bright luster contrasting with Romanéchite aggregates, powdery with a deep black color. The sample is of an extraordinary quality for the locality and even for the species.
Haití Mine, Cabezo de San Ginés, San Ginés de la Jara, Cartagena, Comarca Campo de Cartagena, Murcia, Region of Murcia Spain (10/2017)
Specimen size: 8 × 5.3 × 3.2 cm = 3.1” × 2.1” × 1.3”
Price: Euro:100 / US$114 / Yen:12470 / AUD$150

ED16AI3: Pyrolusite with Romanèchite

Spheroidal Pyrolusite aggregates on a limonite matrix of bundles of crystals with finely but deeply striated faces. A considerable size and an extraordinarily bright luster contrasting with Romanéchite aggregates, powdery with a deep black color. The sample is of an extraordinary quality for the locality and even for the species.
Haití Mine, Cabezo de San Ginés, San Ginés de la Jara, Cartagena, Comarca Campo de Cartagena, Murcia, Region of Murcia Spain (10/2017)
Specimen size: 4.4 × 5.4 × 4.2 cm = 1.7” × 2.1” × 1.7”

Main crystal size: 0.4 × 0.3 cm = 0.2” × 0.1”
Price: Euro:120 / US$136 / Yen:14970 / AUD$190

NB10AI5: Pyromorphite

Clusters of prismatic and very acute elongated crystals, a very unusual habit for San Andrés Pyromorhite, similar to the samples from El Horcajo.
This sample is from the Ignacio Gaspar collection and we’ll send to the buyer a copy of the original label.
San Andrés Mine, Espiel, Comarca Valle del Guadiato, Córdoba, Andalusia Spain (1987)
Specimen size: 1.4 × 1.4 × 1 cm = 0.6” × 0.6” × 0.4”
Price: Euro:50 / US$57 / Yen:6230 / AUD$70

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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