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A group of prismatic, naturally broken and rehealed, crystals. They have abundant curvatures and crystalline fibrous shaped sutures. Crystals are doubly terminated, with very different terminations. On one of the tips appear well defined and bright rhombohedron faces, on the other it finishes with a flat rough pedion. The quarry from which the sample came is not well known and, probably it has been recently opened.
The specimen has been photographed and published in the magazine ‘Paragénesis’, number 01/2020, page 59
Chhappu, Shigar District, Gilgit-Baltistan (Northern Areas) Pakistan (2006)
Specimen size: 8.8 × 3 × 3.3 cm = 3.46” × 1.18” × 1.30”
Price: €145 / US$171 / JPY18110 / AUD$230

MA96AG4: Scorodite

Very sharp Scorodite crystals, transparent, with a very intense vitreous luster, a very uniform olive green color and on matrix. The sample is from a very recent find at the Oumlil mine.
Oumlil Mine, Oumlil, Bou Azzer District, Zagora Province, Drâa-Tafilalet Region Morocco (09/2017)
Specimen size: 6.5 × 6.5 × 5 cm = 2.56” × 2.56” × 1.97”

Main crystal size: 0.6 × 0.4 cm = 0.24” × 0.16”
Price: €180 / US$212 / JPY22480 / AUD$290

MF89W5: Scorodite with Pyrite

Sharp dipyramidal crystals of Scorodite. They are translucent, have a color between blue-green and green, have a considerable size and are on matrix, with small crystals of Pyrite.
Pingtouling Mine, Liannan, Qingyuan Prefecture, Guangdong Province China
Specimen size: 8.4 × 6.8 × 4.3 cm = 3.31” × 2.68” × 1.69”
Price: €390 / US$460 / JPY48710 / AUD$639

TP66AJ8: Selenium-rich Acanthite with Pyrite

Aerial growth of dodecahedral Acanthite crystals, a very unusual form for the species, some of them with “window” growths and partially coated by small Pyrite crystals. The sample has been analyzed, the analytic results indicating a high selenium content. We will 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 43 of the 2019/02 edition.
San José Mine, San José del Progreso, Municipìo San José del Progreso, Ocotlán District, Valles Centrales Region, Oaxaca Mexico (2018)
Specimen size: 6.5 × 4.5 × 3.4 cm = 2.56” × 1.77” × 1.34”
Price: €1500 / US$1772 / JPY187360 / AUD$2460

TF89AL3: Selenium-rich Acanthite with Selenium-rich Polybasite and Calcite

Acanthite crystal growths (selenium-rich) with the dominant faces being the rhombododecahedron, an unusual form for the species, some of them with hoppered growths, associated with Polybasite crystals, likewise rich in selenium, Calcite, and coatings of small Pyrite crystals. Analyses of the specimen, of which we will send a copy to the buyer, indicate a high content of selenium in both the Acanthite and the Polybasite.
San José Mine, San José del Progreso, Municipìo San José del Progreso, Ocotlán District, Valles Centrales Region, Oaxaca Mexico (01/2018)
Specimen size: 3.8 × 3.8 × 3.7 cm = 1.50” × 1.50” × 1.46”
Price: €460 / US$543 / JPY57450 / AUD$750

EV90AA3: Serandite with Aegirine and Albite

Parallel growth of Serandite crystals with very well defined faces and edges and an intense color. They are implanted on a matrix of laminar Albite and have thin black Aegirine crystals scattered about.
Poudrette Quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec Canada (1984)
Specimen size: 5.4 × 2.7 × 2.6 cm = 2.13” × 1.06” × 1.02”
Price: €580 / US$685 / JPY72440 / AUD$950

TR16AL2: Shattuckite with Malachite

Botryoidal coating of Shattuckite with a velvety appearance, on Quartz matrix and highlighting a centered aggregate of very good size sharp primary Malachite crystals.
Kandesei Mine, Kaokoveld Plateau, Kunene Region Namibia
Specimen size: 8.2 × 6.2 × 4.8 cm = 3.23” × 2.44” × 1.89”
Price: €1100 / US$1299 / JPY137400 / AUD$1800

TB88AL2: Shattuckite with Quartz and Chrysocolla

A novelty at Tucson 2019. Spherulitic growths and felted aggregates of Shattuckite, with an intense deep color and encompassed in small Quartz crystals that protect them. On Quartz matrix, with Chrysocolla. We highlight, apart from the beauty of the specimen, the presence of crystallized Quartz, a very rare species in Milpillas. We will send the buyer a copy of the Shattuckite analysis.
Milpillas Mine, 1100 level, Cuitaca, Municipio Santa Cruz, Sonora Mexico (01/2019)
Specimen size: 5.3 × 3.9 × 2.1 cm = 2.09” × 1.54” × 0.83”

Main crystal size: 0.2 × 0.1 cm = 0.08” × 0.04”
Price: €380 / US$449 / JPY47460 / AUD$620

TR53AL2: Shattuckite with Quartz and Chrysocolla

A novelty at Tucson 2019. Spherulitic growths and felted aggregates of Shattuckite, with an extraordinarily intense and deep color, encompassed in small Quartz crystals that protect them. On Quartz matrix, with Chrysocolla. We highlight, apart from the beauty of the specimen, the presence of crystallized Quartz, a very rare species in Milpillas. We will send the buyer a copy of the Shattuckite analysis.
Milpillas Mine, 1100 level, Cuitaca, Municipio Santa Cruz, Sonora Mexico (01/2019)
Specimen size: 5.8 × 3.8 × 2.7 cm = 2.28” × 1.50” × 1.06”
Price: €780 / US$921 / JPY97420 / AUD$1270

TT52AL2: Shattuckite with Quartz, Chrysocolla and Malachite

A novelty at Tucson 2019. Spherulitic growths and felted aggregates of Shattuckite, with an intense and deep color and encompassed in small Quartz crystals that protect them. On Quartz matrix, with Chrysocolla and Malachite. We highlight, apart from the beauty of the specimen, the presence of crystallized Quartz, a very rare species in Milpillas. We will send the buyer a copy of the Shattuckite analysis.
Milpillas Mine, 1100 level, Cuitaca, Municipio Santa Cruz, Sonora Mexico (01/2019)
Specimen size: 10.5 × 5.6 × 2.2 cm = 4.13” × 2.20” × 0.87”

Main crystal size: 0.2 × 0.2 cm = 0.08” × 0.08”
Price: €720 / US$850 / JPY89930 / AUD$1180

MT27AC8: Shigaite with Rhodochrosite and Siderite

Very aerial aggregate of laminar Shigaite crystals. They are bright and transparent, with a color between yellow and orange, and have a considerable size for the species. The Shigaite, on matrix, is implated on a botryoidal Rhodochrosite aggregate and it is with crystalline Siderite. Not bad for the species.
The specimen has been photographed and published in the magazine ‘Paragénesis’, number 01/2016, page 80
N'Chwaning I Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province South Africa (2007)
Specimen size: 7.1 × 3.8 × 3.6 cm = 2.80” × 1.50” × 1.42”
Price: €2200 / US$2599 / JPY274800 / AUD$3600

AR47Z8: Siderite

Big lenticular crystal with a clear brown color and very well defined faces and edges that underline its complete contour. It has a well-developed flat pinacoidal surface and very well marked parallel growths on its rhombohedral faces.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (1987-2013)
Specimen size: 9.7 × 9.7 × 3 cm = 3.82” × 3.82” × 1.18”
Price: €220 / US$259 / JPY27480 / AUD$360

SG38AF0: Siderite (variety sphärosiderite) with Baryte

Botryoidal Siderite traditionally well known as sphaerosiderite, on a rocky matrix with bluish and very bright, laminar Baryte crystals.
The sample is from the Francesco S. Stoppani collection (catalog number 0635), whose label we’ll send to the buyer. As is the case with so many specimens in this collection, the sample is of great quality for the locality.
Baia Mare, Maramures Romania
Specimen size: 13 × 8.3 × 3.8 cm = 5.12” × 3.27” × 1.50”
Price: €280 / US$330 / JPY34970 / AUD$450

TR89AF6: Siderite after Calcite with Pyrite

Druse of very well defined rhombohedral Siderite crystals which are cast pseudomorphs after Calcite. During the process of the substitution, wall-like external shells were left behind. The siderite casts are on matrix, with small Pyrite crystals.
The sample is from the Vallecillo collection, Madrid.
Turt Mine, Turt, Negresti-Oas, Oas Mountains, Satu Mare Romania
Specimen size: 14 × 10.7 × 4.9 cm = 5.51” × 4.21” × 1.93”

Main crystal size: 2.9 × 2.4 cm = 1.14” × 0.94”
Price: €460 / US$543 / JPY57450 / AUD$750

ST96AE3: Siderite with Calcite and Sphalerite

Two generations of Siderite crystals on matrix. The first forms a tapestry of small thick-tabular crystals with very well defined forms and the second is with larger polycrystalline aggregates with very curved faces.
The sample is with a label from the Stoppani collection that we’ll send to the buyer
Maramures Romania
Specimen size: 12.5 × 10.8 × 4.2 cm = 4.92” × 4.25” × 1.65”
Price: €180 / US$212 / JPY22480 / AUD$290

MD12AE6: Siderite with Ferberite and Quartz

Elegant, platy Siderite crystals with a warm brown color. They are implanted on a twinned Ferberite crystal and are with transparent colorless Quartz.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal
Specimen size: 3.8 × 3 × 3.1 cm = 1.50” × 1.18” × 1.22”

Main crystal size: 2.8 × 1.1 cm = 1.10” × 0.43”
Price: €80 / US$94 / JPY9990 / AUD$130

MF14AH7: Siderite with Fluorapatite

Floater rhombohedral Siderite crystal with apparent foliations that really are recrystallizations. Its honey color and the transparency are not usual for Siderite from this mine, generally it is more opaque. There is an associated growth of uncommon doubly terminated Fluorapatite crystals, between translucent and transparent, bright and white in color. These unexpected Fluorapatite crystals have been analyzed and we will send a copy of the analysis to the buyer.
Minas da Panasqueira, level 1, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (10/2015)
Specimen size: 2.7 × 2.5 × 1.2 cm = 1.06” × 0.98” × 0.47”
Price: €90 / US$106 / JPY11240 / AUD$140

TE69AG9: Siderite with Pyrite

Growths of small Siderite crystals outlining the rhombohedral forms of much larger platy Siderite crystals, a product of crystallization of a second generation upon a first generation. Typical of samples from the extinct Turt mine.
Turt Mine, Turt, Negresti-Oas, Oas Mountains, Satu Mare Romania
Specimen size: 14.3 × 9 × 4.8 cm = 5.63” × 3.54” × 1.89”
Price: €440 / US$519 / JPY54960 / AUD$720

TR49AJ5: Siderite with Pyrite, Quartz and Muscovite

Great group of Siderite crystals with the predominant forms of the short prism and a flattened rhombohedron. They have a brown color and are partially coated by small Pyrite crystals and are on matrix with crystals of Quartz, leafy Muscovite aggregates, Arsenopyrite and cubic Pyrite.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal
Specimen size: 12.3 × 11.6 × 8.5 cm = 4.84” × 4.57” × 3.35”
Price: €440 / US$519 / JPY54960 / AUD$720

NB89AL3: Siderite with Quartz

Powerful group of Quartz crystals displaying a dipyramidal habit, as the prism is mostly absent, covered by an epigenetic growth of small Siderite crystals. The size of the Quartz crystals and the quality of the piece is much higher than what is usually found in this deposit.
The specimen comes from the Miguel David Martínez collection, whose label we will send to the buyer along with a small poster that certifies that this specimen was displayed in the “Minerals of the Mediterranian 2014” exhibition at the 2014 Expominer Show.
San Valentín open pit, Sancti Espíritu, Sierra Minera de Cartagena-La Unión, La Unión, Comarca Campo de Cartagena, Murcia, Region of Murcia Spain (±1990)
Specimen size: 14.7 × 9.3 × 5.5 cm = 5.79” × 3.66” × 2.17”

Main crystal size: 3.5 × 3.1 cm = 1.38” × 1.22”
Price: €460 / US$543 / JPY57450 / AUD$750

LM94AK4: Siderite with Quartz

Group of flattened lenticular crystals of Siderite, translucent, bright and of uniform brown color, on matrix, with small water-clear crystals of Quartz. An excellent French classic from the Philippe Morelon collection (No. 362), whose label we will send to the buyer.
La Mure coal mines, La Mure, Matheysine-Trièves, Grenoble, Isère, Auvergne-Rhône-Alpes France (±1994)
Specimen size: 18.4 × 7.2 × 4.4 cm = 7.24” × 2.83” × 1.73”
Price: €860 / US$1016 / JPY107420 / AUD$1410

N14CK9: Siderite with Quartz

Barrel-shaped crystals of Siderite on a group of Quartz crystals and small crystals of Arsenopyrite and Pyrite.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (1997)
Specimen size: 7.2 × 6.4 × 5.2 cm = 2.83” × 2.52” × 2.05”

Main crystal size: 1.6 × 1.2 cm = 0.63” × 0.47”
Price: €100 / US$118 / JPY12490 / AUD$160

NC64G8: Siderite with Quartz

An encrustation of little crystals of Siderite covers the rhombohedral terminal faces of a Quartz prism. Two of the crystals have a big size enhancing from the group.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (2004)
Specimen size: 11.1 × 6.2 × 5 cm = 4.37” × 2.44” × 1.97”
Price: €110 / US$129 / JPY13740 / AUD$180

NY13AB1: Siderite with Quartz and Arsenopyrite

Aggregate of prismatic Siderite crystals with pinacoidal terminations. They have a very uniform dark brown color and silky luster due to microcrystalline surfaces on the prisms. The Siderite is with a small matrix of Quartz and Arsenopyrite and has cubic Pyrite microcrystals on its faces. Unlike most Panasqueira Siderite, this sample lacks the typically dull creamy second generation, which makes it very showy.
Minas da Panasqueira, level 0, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (11/2014)
Specimen size: 4.3 × 3.3 × 2 cm = 1.69” × 1.30” × 0.79”

Main crystal size: 2.5 × 2 cm = 0.98” × 0.79”
Price: €90 / US$106 / JPY11240 / AUD$140

E12EK9: Siderite with Quartz and inclusions

Flattened rhombohedral Siderite crystal group, covering Quartz and small crystals of Arsenopyrite and Pyrite some of them included on the Quartz.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (1997)
Specimen size: 11.8 × 8.6 × 5.5 cm = 4.65” × 3.39” × 2.17”
Price: €125 / US$147 / JPY15610 / AUD$200

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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