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Mineral specimens search results for [ Siderite ]Page bottom

Siderite.
EJM27AN7: Siderite
Druse on matrix of flattened lenticular crystals of Siderite, translucent, with good luster and a light and uniform brown color with golden tones. An excellent French classic.
La Mure coal mines, La Mure, Matheysine-Trièves, Grenoble, Isère, Auvergne-Rhône-Alpes  France
Specimen size: 13.2 × 7.4 × 3 cm = 5.20” × 2.91” × 1.18”

Price: [SOLD]

TC2640LAM: Siderite
Floater aggregate in a rosette of very sharp lenticular Siderite crystals, with good luster and a light cream color. This very good quality specimen comes from the collection of Philippe Morelon (number 43), whose label we will send to the buyer.
Saint-Pierre-de-Mésage, Vizille, Grenoble, Isère, Auvergne-Rhône-Alpes  France (01/2002)
Specimen size: 14.8 × 12.5 × 6.2 cm = 5.83” × 4.92” × 2.44”

Main crystal size: 6.5 × 4 cm = 2.56” × 1.57”

Price: [SOLD]
Siderite.
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$225 / ¥29960 / AUD$320
Siderite (variety sphaerosiderite) with Baryte.
SH47AD3: Siderite (variety sphaerosiderite) with Baryte
Botryoidal Siderite (variety sphaerosiderite) on matrix with very sharp platy Baryte crystals that are translucent and have geometric zoning.
The sample is from the Francesco S. Stoppani collection (catalog number 0584), 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 Sprie Mine, Baia Sprie, Maramures  Romania
Specimen size: 8.5 × 6.9 × 3.8 cm = 3.35” × 2.72” × 1.50”

Price: [SOLD]
Siderite (variety sphärosiderite) with Baryte.
ETB76AN9: Siderite (variety sphärosiderite) with Baryte
Botryoidal aggregates of Siderite with a habit traditionally called sphaerosiderite. They are translucent, with good luster, a green to dark honey color, and are on a rocky matrix with lamellar Baryte crystals and small Quartz crystals on the back.
Herja Mine, Chiuzbaia, Baia Sprie, Maramures  Romania
Specimen size: 8.8 × 8.2 × 3.1 cm = 3.46” × 3.23” × 1.22”

Price: [SOLD]
Siderite (variety sphärosiderite) with Baryte.
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$286 / ¥38140 / AUD$410
Siderite after Calcite with Pyrite.
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”

Price: €460 / US$470 / ¥62660 / AUD$670
Siderite on Quartz with Pyrite.
NE94AM8: Siderite on Quartz with Pyrite
Large quartz crystal partially covered by groups of rhombohedral Siderite crystals with polycrystalline growths, with a light cream color and small Pyrite crystals. Monumental.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (2000)
Specimen size: 23.7 × 12.4 × 8.1 cm = 9.33” × 4.88” × 3.19”

Price: €560 / US$573 / ¥76280 / AUD$820
Siderite with Arsenopyrite.
NJ62G1: Siderite with Arsenopyrite
An very attractive group of tabular Siderite crystals with defined color zones in its peripheries. The group is on a matrix in of Arsenopyrite, Sphalerite, Quartz and Pyrite.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (2004)
Specimen size: 7.2 × 5 × 4.5 cm = 2.83” × 1.97” × 1.77”

Price: [SOLD]
Siderite with Arsenopyrite and Muscovite.
JFD92AO1: Siderite with Arsenopyrite and Muscovite
I do feel a little love for the siderites of Panasqueira. With much less fame than other mineral species from this mine, its variety of forms and its frequent association with other species always attracted me. This specimen well represents what I want to say - The crystal is sharp, its color is pleasant and it shows in its center a kind of growth phantom of trigonal symmetry. In addition, it is associated with Muscovite and Arsenopyrite, both of good quality.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (03/1995)
Specimen size: 6.2 × 5.1 × 2.6 cm = 2.44” × 2.01” × 1.02”

Main crystal size: 5.1 × 4.2 cm = 2.01” × 1.65”

Price: [SOLD]
Siderite with Arsenopyrite, Pyrite and Muscovite.
NB86AC4: Siderite with Arsenopyrite, Pyrite and Muscovite
Parallel aggregates of very flattened rhombohedral Siderite crystals on matrix, with leafy Muscovite aggregates and very well defined and bright Arsenopyrite crystals partially coated by small Pyrite crystals. The upper levels of Panasqueira are currently offering surprising and pleasant novelties, with samples that are different from what is already known.
Minas da Panasqueira, level 0, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (08/2015)
Specimen size: 7.2 × 5.5 × 3 cm = 2.83” × 2.17” × 1.18”

Price: [SOLD]
Siderite with Baryte.
MC9Y9: Siderite with Baryte
Botryoidal Baryte aggregate with a reddish color due to reddish slate inclusions. With botryoidal Siderite that has very dark brown color, almost black, and with small white and very acute scalenohedral Calcite crystals. The sample is from a locality that is rarely represented in mineral collections.
Christiane Mine, Adorf, Diemelsee, Waldeck-Frankenberg District, Hesse/Hessen  Germany (±1950)
Specimen size: 4.5 × 3.3 × 2.7 cm = 1.77” × 1.30” × 1.06”

Price: [SOLD]
Siderite with Calcite and Sphalerite.
TT13AN2: Siderite with Calcite and Sphalerite
Group of Siderite crystals with sharp crystal forms, with slight curvatures, a satin luster and a highly contrasted double coloration, with darker and lighter brown areas. On matrix, with small crystals of Calcite and Sphalerite. We will send the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label, which shows that it was previously in the Alfredo Petrov collection.
Siglo Veinte Mine, Llallagua, Rafael Bustillo Province, Potosí Department  Bolivia
Specimen size: 2.6 × 2.5 × 1.7 cm = 1.02” × 0.98” × 0.67”

Price: €85 / US$86 / ¥11570 / AUD$120
Siderite with Calcite and Sphalerite.
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”

Main crystal size: 2.7 × 1.8 cm = 1.06” × 0.71”

Price: €180 / US$184 / ¥24510 / AUD$260
Siderite with Dolomite, Calcite, Ferberite and Pyrite.
MG56AB1: Siderite with Dolomite, Calcite, Ferberite and Pyrite
Group of lenticular Siderite crystals partially coated by Calcite crystals and with a notable aggregate of white rhombohedral Dolomite crystals with geometric growths. It is also with a small aggregate of poorly defined Ferberite crystals and is partially coated by Pyrite microcrystals.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal
Specimen size: 9.4 × 5.2 × 3.6 cm = 3.70” × 2.05” × 1.42”

Price: [SOLD]
Siderite with Ferberite and Quartz.
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$81 / ¥10890 / AUD$110
Siderite with Fluorapatite.
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$92 / ¥12250 / AUD$130
Siderite with Fluorapatite and Mica.
NR16AM8: Siderite with Fluorapatite and Mica
Two generations of Siderite crystals, a first with large, tabular crystals, and a second generation of small, lenticular crystals, with a color between brown and cream, with small tabular Fluorapatite crystals and groups of lamellar Muscovite crystals.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (2000)
Specimen size: 12.8 × 8.3 × 4.7 cm = 5.04” × 3.27” × 1.85”

Main crystal size: 5 × 4.8 cm = 1.97” × 1.89”

Price: €220 / US$225 / ¥29960 / AUD$320
Siderite with Fluorapatite and Quartz.
N96CG3: Siderite with Fluorapatite and Quartz
A very large crystal. Its color is lovely and the trigonal symmetry is clearly revealed by its triangular central face. On the surface of its faces appear, recrystallized and with color zoning, some little crystals of the same Siderite with Fluorapatite and Quartz.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (1999)
Specimen size: 11.5 × 9.5 × 5.5 cm = 4.53” × 3.74” × 2.17”

Price: [SOLD]
Siderite with Fluorite and Dolomite.
SK47AD3: Siderite with Fluorite and Dolomite
Aggregate of very Sharp rhombohedral Siderite crystals, with polycrystalline growths and a single cubic Fluorite crystal, transparent and with a blue color and violet color zones. We note the locality which is really uncommon.
The sample is from the Francesco S. Stoppani collection (catalog number 0614), and was previously in the J.H. Marshall Jr. collection (catalog number 2640). We'll send to the buyer the Stoppani label and the label and card from the Marshall Jr. collection. As is the case with so many specimens in this collection, the sample is of great quality for the locality.
Khoroshiv (Volodarsk-Volynskii), Zhytomyr Oblast  Ukraine
Specimen size: 6.7 × 4.9 × 3.6 cm = 2.64” × 1.93” × 1.42”

Price: [SOLD]
Siderite with Galena.
NAF37AO4: Siderite with Galena
Siderite druse covering Galena crystals, as spheroidal growths of small rhombohedral crystals with curvatures on their faces and edges, with satiny luster and uniform brown color. The specimen comes from the Miguel David Martínez collection (number 850), whose label we will send to the buyer.
San Valentín open pit, Sancti Espíritu, Sierra Minera de Cartagena-La Unión, La Unión, Comarca Campo de Cartagena, Murcia, Region of Murcia  Spain
Specimen size: 9.9 × 7.8 × 4.9 cm = 3.90” × 3.07” × 1.93”

Price: €220 / US$225 / ¥29960 / AUD$320
Siderite with Galena.
NFG47AO0: Siderite with Galena
Siderite druse covering Galena crystals. The Siderite has spheroidal growths of small rhombohedral crystals with curvatures on their faces and edges, satiny luster and uniform brown color. The specimen comes from the Miguel David Martínez collection (nº 794), whose label we will send to the buyer. It was previously in the collection of Mariano Guillén.
San Valentín open pit, Sancti Espíritu, Sierra Minera de Cartagena-La Unión, La Unión, Comarca Campo de Cartagena, Murcia, Region of Murcia  Spain
Specimen size: 11.7 × 9.9 × 4.4 cm = 4.61” × 3.90” × 1.73”

Main crystal size: 2 × 1.8 cm = 0.79” × 0.71”

Price: [SOLD]
Siderite with inclusions.
SB67AB8: Siderite with inclusions
Echeloned growths of rhombohedral Siderite crystals with a clear cream color and darker areas due to inclusions. As is the case with so many specimens in this collection, the sample is of great quality for the locality.
Müsen, Siegerland, North Rhine-Westphalia/Nordrhein-Westfalen  Germany
Specimen size: 11 × 7.5 × 4.1 cm = 4.33” × 2.95” × 1.61”

Price: [SOLD]
Siderite with Marcasite and Quartz.
EV46W2: Siderite with Marcasite and Quartz
Nice rosettes of Siderite partially covered by flattened crystals of Marcasite that show, very well marked, the twin known as "cockscomb" and with minor Quartz.
Bou Nahas Mine, Oumjrane mining area, Alnif Commune, Tinghir Province, Drâa-Tafilalet Region  Morocco (12/2011-01/2012)
Specimen size: 5.3 × 4.7 × 4.7 cm = 2.09” × 1.85” × 1.85”

Main crystal size: 1.5 × 1.2 cm = 0.59” × 0.47”

Price: [SOLD]
Siderite with Muscovite.
NZR47AN4: Siderite with Muscovite
Group of large, very sharp rhombohedral Siderite crystals with a dark brown color, translucent on the edges and with small partial coatings of a second generation of Siderite with a lighter cream color. They are associated with leafy muscovite aggregates. We highlight the unusual fact that the first generation of Siderite is dominant in this piece, since in Panasqueira it is very rare that this first generation, with its darker color and a certain transparency, is not covered by a second generation of Siderite with a lighter color but much more opaque, which is what gives the siderites there their characteristic appearance.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (10/2017)
Specimen size: 14.3 × 10.8 × 5.2 cm = 5.63” × 4.25” × 2.05”

Price: €240 / US$245 / ¥32690 / AUD$350

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