Siderite - Mineral specimens search results

Mineral specimens search results

(para ver esta página en español)

Mineral specimens search results for [ Siderite ]

Aggregate of very sharp simple and transparent rhombohedral crystals with a rich color, very bright for the species. Selectively coated by groups of clear crystals of Quartz. A nice classic.
Allevard, Haut-Grésivaudan, Grenoble, Isère, Auvergne-Rhône-Alpes France
Specimen size: 5.2 × 3.7 × 3.8 cm = 2.05” × 1.46” × 1.50”
Price: [SOLD]

N7CK0: Siderite with Quartz

Crystal of tabular habit partially covered by small Pyrite crystals. The base is a group of Quartz crystals.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (1997)
Specimen size: 5.8 × 5.1 × 6.2 cm = 2.28” × 2.01” × 2.44”

Main crystal size: 4.1 × 3.5 cm = 1.61” × 1.38”
Price: [SOLD]

RD60M0: Siderite with Quartz

Lenticular Siderite crystals with a marked color zoning darker in the center and light-colored towards the edges. On a Quartz matrix.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal
Specimen size: 4.9 × 4.2 × 2.4 cm = 1.93” × 1.65” × 0.94”
Price: [SOLD]

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$106 / ¥16310 / 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$117 / ¥17940 / AUD$180

ST37AB6: Siderite with Quartz

Aggregates of thick lenticular crystals with very well defined faces and edges, bright with a very deep brown color and on matrix, with thin white Quartz veins. An excellent English classic. As is the case with so many specimens in this collection, the sample is of great quality for the locality.
Tincroft Mine, Carn Brea and Tincroft United Mines, Carn Brea, Camborne - Redruth - Saint Day District, Cornwall England / United Kingdom
Specimen size: 7 × 4.8 × 5 cm = 2.76” × 1.89” × 1.97”

Main crystal size: 0.7 × 0.6 cm = 0.28” × 0.24”
Price: [SOLD]

TP26AI7: Siderite with Quartz (variety amethyst)

Coatings of rhombohedral Siderite microcrystals that are very bright and have a deep yellowish color with golden reflections. They are are on a group of Quartz (amethyst variety) crystals with a very pale color. The sample is from the collection of La Unión area minerals of Alain Martaud whose label we’ll send to the buyer.
San Valentín open pit, Sancti Espíritu, Sierra Minera de Cartagena-La Unión, La Unión, Comarca Campo de Cartagena, Region of Murcia (Murcia) Spain (1980-1985)
Specimen size: 6.1 × 5.1 × 3 cm = 2.40” × 2.01” × 1.18”
Price: [SOLD]

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$95 / ¥14680 / AUD$140

NM16F4: Siderite with Quartz and Arsenopyrite

The Siderite has formed an intensely colored, rose-like spray of crystals, which cover the Quartz. On these lenticular crystals there are some crystals of Arsenopyrite.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (2004)
Specimen size: 10.7 × 7 × 8.5 cm = 4.21” × 2.76” × 3.35”
Price: [SOLD]

ED89Y9: Siderite with Quartz and Baryte

Aggregates of very flattened lenticular Siderite crystals on a matrix of Quartz crystals with very sharp white rhombohedral Calcite crystals and a Baryte crystal with very well defined faces and edges, a very rare species at Le Mure.
La Mure coal mines, La Mure, Matheysine-Trièves, Grenoble, Isère, Auvergne-Rhône-Alpes France
Specimen size: 12.7 × 12.5 × 4 cm = 5.00” × 4.92” × 1.57”

Main crystal size: 1.7 × 0.9 cm = 0.67” × 0.35”
Price: [SOLD]

TC280NCG: Siderite with Quartz and Calcite

Siderite crystal with a lenticular shape, with bright luster and light brown color, attached to a Quartz crystal and covered by small Calcite crystals.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (±2004)
Specimen size: 8 × 4.7 × 4.6 cm = 3.15” × 1.85” × 1.81”
Price: €80 / US$85 / ¥13050 / AUD$130

SV2150TBY: Siderite with Quartz and Chalcopyrite

Aesthetic specimen formed by sharp lenticular crystals of zoned brown Siderite, randomly arranged on a rock matrix totally carpeted by snow-white Quartz crystals offering a nice contrast of colors. Several brightly colored Chalcopyrite crystals, golden and very shiny, adorn the piece. The specimen comes from the former collection of Robert-Auguste Touchon and, most surprisingly, was found in the area of some coal mines, west of La Mure, which were closed in 1997.
Le Villaret pit, Susville, Matheysine-Trièves, Grenoble, Isère, Auvergne-Rhône-Alpes France
Specimen size: 11.7 × 4.9 × 4.8 cm = 4.61” × 1.93” × 1.89”

Main crystal size: 1.4 × 1 cm = 0.55” × 0.39”
Price: €150 / US$159 / ¥24470 / AUD$240

N12TK0: Siderite with Quartz and Fluorapatite

Group of first generation crystals, so they are translucent and have an excellent color and luster. On the Siderite there is a small group of tabular Fluorapatite crystals and Quartz crystals. This type of first generation Siderite is very uncommon at Panasqueira.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (1995)
Specimen size: 6.6 × 4.4 × 2.1 cm = 2.60” × 1.73” × 0.83”
Price: [SOLD]

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”

Main crystal size: 1.7 × 1.6 cm = 0.67” × 0.63”
Price: €125 / US$133 / ¥20390 / AUD$200

JFD229AP9: Siderite with Quartz and Pyrite

A very clear and perfect Quartz, with a very showy phantom, clearly displaying the different phases of crystal growth. The Siderite, very sharp and aerial, and with small Pyrite crystals adds its signature to the piece.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (1993)
Specimen size: 5.8 × 4.7 × 5 cm = 2.28” × 1.85” × 1.97”
Price: [SOLD]

ND16G4: Siderite with Quartz and Pyrite

Rhombohedrons are very defined and its rough surface is a product of re-crystallization of the same Siderite. Crystals are aerial on a matrix of Quartz crystals with little crystallizations of Pyrite.
Turt Mine, Turt, Negresti-Oas, Oas Mountains, Satu Mare Romania (2003)
Specimen size: 8.5 × 5.8 × 3.9 cm = 3.35” × 2.28” × 1.54”

Main crystal size: 3.6 × 2.9 cm = 1.42” × 1.14”
Price: [SOLD]

EXB67AP1: Siderite with Quartz with Ferberite inclusions

Very aerial group of lenticular Siderite crystals of considerable size, one of them clearly dominant and very aerial, light cream in color and implanted on a crystal of Quartz with inclusions of small Ferberite crystals.
Minas da Panasqueira, levels 0-1, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (2021)
Specimen size: 12.7 × 7.4 × 5.4 cm = 5.00” × 2.91” × 2.13”
Price: €260 / US$276 / ¥42420 / AUD$420

NC76AB5: Siderite with Quartz, Chalcopyrite and Muscovite

Aggregate of lenticular Siderite crystals, one of them clearly dominant, with very well defined faces and edges and on a crystalline Quartz matrix with leafy Muscovite aggregates and a very well defined Chalcopyrite crystal.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (2004)
Specimen size: 11.4 × 5.5 × 3.2 cm = 4.49” × 2.17” × 1.26”

Main crystal size: 5.6 × 4.6 cm = 2.20” × 1.81”
Price: €150 / US$159 / ¥24470 / AUD$240

NA59AM8: Siderite with Quartz, Fluorapatite and Dravite-Schorl

Group of very sharp lenticular crystals of Siderite with polycrystalline growths, with good luster and a light cream color. On matrix, with crystals of Fluorapatite, Quartz and small acicular crystals of Dravite-Schorl. Very original and with a higher quality than usual in this locality.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (1998)
Specimen size: 7.7 × 4.1 × 6 cm = 3.03” × 1.61” × 2.36”
Price: [SOLD]

MAE46AP6: Siderite with Quartz, Siderite inclusions and Arsenopyrite

Group of tabular Siderite crystals bordered by a second generation of Siderite, with a perfect Quartz crystal, without the typical small dings prevalent in specimens from this locality, transparent, very lustrous, with inclusions of Siderite and Arsenopyrite and a well-defined phantom growth whose visibility is accentuated by inclusions growing oriented on the faces of the successive phantom growths.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal
Specimen size: 11.2 × 8.1 × 7.6 cm = 4.41” × 3.19” × 2.99”

Main crystal size: 8.9 × 3.6 cm = 3.50” × 1.42”
Price: [SOLD]

2L14: Siderite, Dolomite, Quartz

Sharp rhombohedral crystals of Dolomite, twinned, accompanied by lenticular crystals of light brown Siderite with very marked edges, in a matrix carpeted with water-clear crystals of Quartz.
La Mure coal mines, La Mure, Matheysine-Trièves, Grenoble, Isère, Auvergne-Rhône-Alpes France (1994)
Specimen size: 5.0 × 3.7 × 3.2 cm = 1.97” × 1.46” × 1.26”
Price: [SOLD]

16NF13: Siderite, Quartz, Arsenopyrite, Muscovite, Pyrite

A plate formed by an aggregate of Muscovite crystals, interspersed with some lustrous Arsenopyrite crystals with well defined faces and edges, as well as water-clear Quartz crystals, one of them clearly dominant and with very marked growth striations. This combo is further adorned by a group of light brown lenticular Siderite crystals with a darker outline, some of them scattered and more isolated while others have grown on the Quartz crystals. Finally, a small group of Pyrite crystals completes the specimen. As so often happens with Panasqueira specimens, we can observe part of the paragenesis of the mine in a single piece.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal
Specimen size: 11.0 × 10.0 × 3.0 cm = 4.33” × 3.94” × 1.18”

Main crystal size: 1.0 × 0.9 cm = 0.39” × 0.35”
Price: [SOLD]

23TJA14: Siderite, Quartz, Pyrite

Group of doubly terminated Quartz crystals, one of them clearly dominant and adorned by a Siderite crystal of considerable size with a hexagonal outline and light brown tone on the back. Other smaller Siderite crystals associated with Pyrite crystals are sprinkled over it. A classic paragenesis for the Panasqueira Mines from where this specimen came.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal
Specimen size: 6.3 × 2.9 × 2.9 cm = 2.48” × 1.14” × 1.14”
Price: [SOLD]

73 results found.

[1-25] [26-50] [51-73]

Please enter search terms in the box below

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

- General search
- Select a mineral (IMA)
- Select a country
- Select a price range
- Select a size range (in cm.)
- Display only the minerals possibly available at Weinrich Minerals


Home page Minerals		About us		Client Comments		Friends of Minerals Forum		Feedback Form		Search


US Minerals	Mexico & Canada Minerals	Spanish Minerals	Spanish Fluorite	Portugal - Panasqueira	French Minerals
European Minerals	FSU Minerals	Moroccan Minerals	African Minerals	Brazilian Minerals	South American Minerals
Chinese Minerals	Tukey, Asia & Australia Minerals	Joaquim Callen's Photo Gallery	The Daunis Collection	The Jan Buma Collections	The Carles Curto Collection