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MC56Z9: Galena with Pyrite and Calcite

Very sharp and bright cubo-octahedral Galena crystals on a matrix of small Pyrite crystals, with white Calcite. The Pyrite aggregate has a curious hood-like shape that probably corresponds to the surface of an old lost scalenohedral Calcite crystal.
Oradea, Bihor County Romania
Specimen size: 5.8 × 5.8 × 3.7 cm = 2.3” × 2.3” × 1.5”
Price: Euro:190 / US$219 / Yen:23910 / AUD$290

VG68Z4: Galena with Pyrite and Fluorite

Cubo-octahedral Galena crystal showing an equal development of the cube and the octahedron faces. One of the cube faces is coated by a grayish-yellow Pyrite crust and the crystal is with white small Fluorite crystals. The Galena crystal is very well defined, more so than usual in the samples from this area.
Weardale, North Pennines Orefield, County Durham England, United Kingdom
Specimen size: 5.2 × 4 × 3.8 cm = 2.0” × 1.6” × 1.5”

Main crystal size: 4.4 × 3.2 cm = 1.7” × 1.3”
Price: Euro:280 / US$323 / Yen:35240 / AUD$430

MP37AG4: Galena with Rhodochrosite

Group of very sharp cubo-octahedral Galena crystals with very well balanced cube and the octahedron faces. They are very bright and have small Rhodochrosite crystals on the back. The sample is from recent finds.
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District Kosovo (2016)
Specimen size: 6.6 × 4.3 × 2.9 cm = 2.6” × 1.7” × 1.1”
Price: Euro:220 / US$254 / Yen:27690 / AUD$330

TZ47X1: Galena with Semseyite, Siderite, Pyrrhotite and Pyrite

Cubo-octahedral crystals of Galena, bright and well defined, with radial growths of sharp platy crystals of Semseyite. Some of the faces of the Galena show very well marked skeletal growths.
Herja Mine, Chiuzbaia, Baia Mare, Maramures Romania
Specimen size: 8 × 6.4 × 5 cm = 3.1” × 2.5” × 2.0”

Main crystal size: 4.7 × 3.8 cm = 1.9” × 1.5”
Price: Euro:240 / US$277 / Yen:30210 / AUD$360

EN99Y6: Genthelvite with Calcite and Chlorite

Very aerial group, on a Calcite matrix, of very sharp tetrahedral crystals with a clear salmon color and zonal growth. The analysis indicates that both the external zone and the inner crystal are Genthelvite. We’ll send a copy of both analyses to the buyer.
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region China (±2012)
Specimen size: 4.1 × 3.6 × 3.8 cm = 1.6” × 1.4” × 1.5”
Price: Euro:480 / US$554 / Yen:60420 / AUD$730

MP56AE1: Genthelvite with Quartz and Calcite

Very aerial aggregate of very sharp tetrahedral Genthelvite crystals with a salmon color and partially coated by Calcite and microcrystalline Quartz. The analysis gives Genthelvite both on the crystal surfaces and in the interior. We’ll send a copy of the analysis to the buyer.
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region China (2012)
Specimen size: 4 × 3 × 3.2 cm = 1.6” × 1.2” × 1.3”

Main crystal size: 2 × 1.3 cm = 0.8” × 0.5”
Price: Euro:1350 / US$1560 / Yen:169930 / AUD$2070

MR32AB1: Genthelvite with Quartz, Calcite and Chlorite

Very sharp polycrystalline Genthelvite growth with a neatly tetrahedral shape and dark brown color. It is on a matrix with Quartz crystals and extremely flattened Calcite crystals (papierspat). Analyzed by Raman, the sample is Genthelvite both on its surface and its interior. We’ll send a copy of the analysis to the buyer.
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region China (2014)
Specimen size: 8.3 × 5.5 × 4 cm = 3.3” × 2.2” × 1.6”
Price: Euro:680 / US$785 / Yen:85590 / AUD$1040

NH7AC2: Goethite

Botryoidal growths with intense metallic-iridescent patinas, very bright and showing strongly contrasting coloration, with dominant red, yellowish and orange shades. These growths contrast with a later phase with smaller and grayish botryoidal forms. The sample is from a famous 2007 find.
Filón Sur open pit, Minas de Tharsis, Tharsis, Alosno, Comarca El Andévalo, Huelva, Andalusia Spain (05-10/2007)
Specimen size: 3.2 × 2.7 × 1.7 cm = 1.3” × 1.1” × 0.7”
Price: Euro:40 / US$46 / Yen:5030 / AUD$60

NP8AC2: Goethite

Botryoidal growths with intense metallic-iridescent patinas, very bright and showing strongly contrasting coloration, with dominant red, yellowish and orange shades. These growths contrast with a later phase with smaller and grayish botryoidal forms. The sample is from a famous 2007 find.
Filón Sur open pit, Minas de Tharsis, Tharsis, Alosno, Comarca El Andévalo, Huelva, Andalusia Spain (05-10/2007)
Specimen size: 4.2 × 4.1 × 2.4 cm = 1.7”
Price: Euro:50 / US$57 / Yen:6290 / AUD$70

NY57AC2: Goethite

Botryoidal stalactitic aggregate with intensely metallic-iridescent patinas, very bright and showing strongly contrasting coloration, with dominant yellowish and orange shades. These growths contrast with a later phase with smaller and grayish-red botryoidal forms. The sample is from a famous 2007 find.
Filón Sur open pit, Minas de Tharsis, Tharsis, Alosno, Comarca El Andévalo, Huelva, Andalusia Spain (05-10/2007)
Specimen size: 8.3 × 4.7 × 4 cm = 3.3” × 1.9” × 1.6”
Price: Euro:65 / US$75 / Yen:8180 / AUD$90

DD62AH2: Goethite

Extraordinarily bright botryoidal aggregate with some iridescent areas with predominant yellow and blue shades. The sample is from a locality considered a Spanish classic for Goethite, but where such bright samples with iridescent surfaces were quite rare.
The Daunis collection was, in the 70’s and the 80’s, a reference for the local prospectors of the Barcelona area.
La Arboleda Mines, La Arboleda (Zugaztieta), Valle de Trápaga/Trapagaran, Comarca Gran Bilbao, Bizkaia/Vizcaya, Euskadi Spain
Specimen size: 8.7 × 5 × 4.8 cm = 3.4” × 2.0” × 1.9”
Price: Euro:75 / US$86 / Yen:9440 / AUD$110

NF27AF2: Goethite

Botryoidal and stalactitic Goethite growths with dappled metallic iridescences with greenish, yellowish and reddish dominant shades. The sample is from a punctual find in a mine without acces currently, so, likely no new samples will be obtained from there.
La Lapilla Mine, La Lapilla, Alosno, Comarca El Andévalo, Huelva, Andalusia Spain (03-04/2008)
Specimen size: 13.3 × 6.2 × 3.6 cm = 5.2” × 2.4” × 1.4”
Price: Euro:220 / US$254 / Yen:27690 / AUD$330

NR97AC4: Gold

Flattened and elongated Gold nugget with small vugs, inclusions and hollows. The sample has a good size for the locality and shows on its upper part some defined but quite rounded crystalline forms.
Talarrubias / Casas de Don Pedro area, Comarca La Siberia, Badajoz, Extremadura Spain (02-03/2012)
Specimen size: 1.7 × 1 × 0.3 cm = 0.7” × 0.4” × 0.1”
Price: Euro:290 / US$335 / Yen:36500 / AUD$440

TN9AF0: Gold

Floater specimen of octahedral crystals with very well defined spinel law twinning and deep skeletal growths. The site is currently not supplying new specimens for collectors so new finds are not expected. We analyzed these Golds and they are really special. They contains a 99.1% Gold and about a 0.5 % Rhodium, which is quite uncommon. We’ll send a copy of the analysis to the buyer.
If you want to know more about these Golds you can use this link
Serra do Caldeirão claims, Pontes e Lacerda, Alto Guaporé District, Mato Grosso Brazil (9-12/2015)
Specimen size: 1.3 × 1.1 × 0.8 cm = 0.5” × 0.4” × 0.3”

Main crystal size: 1 × 0.5 cm = 0.4” × 0.2”
Price: Euro:400 / US$462 / Yen:50350 / AUD$610

TH9AF0: Gold

Floater specimen of octahedral crystals with very well defined spinel law twinning and deep skeletal growths. The site is currently not supplying new specimens for collectors so new finds are not expected. We analyzed these Golds and they are really special. They contains a 99.1% Gold and about a 0.5 % Rhodium, which is quite uncommon. We’ll send a copy of the analysis to the buyer.
If you want to know more about these Golds you can use this link
Serra do Caldeirão claims, Pontes e Lacerda, Alto Guaporé District, Mato Grosso Brazil (9-12/2015)
Specimen size: 1.3 × 0.7 × 0.6 cm = 0.5” × 0.3” × 0.2”
Price: Euro:400 / US$462 / Yen:50350 / AUD$610

NM68AH4: Gold

Dendritic, spongy and laminar Gold growths perched on a Quartz pebble. From an occasional and very recent find at a Spanish place in an area in which Gold pebbles have been noted, but is not well known until now.
Paraje Jardines del Guadiana, Casas de Don Pedro, Comarca La Siberia, Badajoz, Extremadura Spain (2018)
Specimen size: 2.1 × 1.4 × 0.8 cm = 0.8” × 0.6” × 0.3”
Price: Euro:440 / US$508 / Yen:55380 / AUD$670

MG88AE9: Gold

Dendritic growth of very bright laminar forms, on a small Quartz matrix. The sample is an excellent thumbnail from a locality that is practically unknown for collectible gold samples.
La Ciénega, Municipio de Pitiquito, Sonora Mexico
Specimen size: 1.7 × 1.4 × 1.2 cm = 0.7” × 0.6” × 0.5”
Price: Euro:460 / US$531 / Yen:57900 / AUD$700

EH39AG5: Gold

Skeletal crystals and leafy growths of native Gold. They are very bright and are on a rocky matrix. The sample is from a Colombian mining area not well known until now.
Potosí claim, La Tosca cut, Municipio Vetas, Soto Province, Santander Department Colombia (2017)
Specimen size: 6 × 3.8 × 2.6 cm = 2.4” × 1.5” × 1.0”

Main crystal size: 0.2 × 0.2 cm = 0.1” × 0.1”
Price: Euro:460 / US$531 / Yen:57900 / AUD$700

TB91AH0: Gold

A novelty at Tucson 2018. The sample is from a new place, not so far from the better known Serra do Caldeirão where the gold samples have different morphological characteristics. In this case this is a single floater and complete crystal with very well defined faces and edges and a Spinel law twin.
Serra Dourada, Pontes e Lacerda, Alto Guaporé District, Mato Grosso Brazil (12/2017)
Specimen size: 1.2 × 0.7 × 0.5 cm = 0.5” × 0.3” × 0.2”
Price: Euro:480 / US$554 / Yen:60420 / AUD$730

NH50AF0: Gold

Complete Gold nugget preserving rough octahedral crystalline forms, with relatively well preserved faces and edges.
Talarrubias / Casas de Don Pedro area, Comarca La Siberia, Badajoz, Extremadura Spain
Specimen size: 1.6 × 1.3 × 0.4 cm = 0.6” × 0.5” × 0.2”
Price: Euro:490 / US$566 / Yen:61680 / AUD$750

TQ29AH6: Gold

Very aerial growth of very sharp octahedral crystals with deep hollows on octahedron faces and extraordinarily bright.
We’ll send the sample in its original Perkin’s box from the R.J. Noble collection, also containing the collection label.
De Maria Mine, Sage Hill, Michigan Bluff District, Placer County, California USA
Specimen size: 1.4 × 0.8 × 0.7 cm = 0.6” × 0.3” × 0.3”
Price: Euro:490 / US$566 / Yen:61680 / AUD$752

EC50AG5: Gold

Skeletal and leafy growths of native gold on a rocky matrix with Quartz (chalcedony variety). The sample is from a Colombian mining area not well known until now.
Potosí claim, La Tosca cut, Municipio Vetas, Soto Province, Santander Department Colombia (2017)
Specimen size: 7.2 × 6.4 × 1.8 cm = 2.8” × 2.5” × 0.7”

Main crystal size: 0.3 × 0.2 cm = 0.1” × 0.1”
Price: Euro:540 / US$624 / Yen:67970 / AUD$820

EM76AH2: Gold

Dendritic growth, on a rocky matrix, of very sharp cubo-octahedral crystals with very well defined hoppered growths on some of the octahedron faces. The sample is from a not yet well-known Colombian mining area.
Potosí claim, La Tosca cut, Municipio Vetas, Soto Province, Santander Department Colombia
Specimen size: 4.3 × 1.6 × 1.4 cm = 1.7” × 0.6” × 0.6”
Price: Euro:1600 / US$1849 / Yen:201400 / AUD$2450

TC86AD5: Gold

A novelty at Tucson 2016. Parallel aggregates of very sharp and well defined octahedral crystals, with sharp skeletal growths. According to our sources the site is not supplying new specimens for collectors so new finds are not expected. We analyzed these Golds and they are really special. They contains a 99.1% Gold and about a 0.5 % Rhodium, which is quite uncommon. We’ll send a copy of the analysis to the buyer.
If you want to know more about these Golds you can use this link
Este ejemplar ha sido reseñado, fotografiado y publicado por ‘Revista de Minerales’ en la página 40 de la edición 2016/02
Serra do Caldeirão claims, Pontes e Lacerda, Alto Guaporé District, Mato Grosso Brazil (2015)
Specimen size: 2 × 1.9 × 0.9 cm = 0.8” × 0.7” × 0.4”

Main crystal size: 1.8 × 0.6 cm = 0.7” × 0.2”
Price: Euro:1800 / US$2080 / Yen:226580 / AUD$2760

NA77AH4: Gold

Very flattened oblong gold pebble that partially retains some crystalline forms on both surfaces. From an occasional and very recent find at a Spanish place in an area in which Gold pebbles have been noted, but not well known until now.
Paraje Jardines del Guadiana, Casas de Don Pedro, Comarca La Siberia, Badajoz, Extremadura Spain (2018)
Specimen size: 2.8 × 1.6 × 0.5 cm = 1.1” × 0.6” × 0.2”
Price: Euro:2700 / US$3120 / Yen:339870 / AUD$4140

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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