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Mineral specimens search results for [ Siderite ]Page bottom

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 = 3.8” × 3.8” × 1.2”

Price: Euro:220 / US$260 / Yen:29280 / AUD$330
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 = 3.3” × 2.7” × 1.5”

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 = 5.1” × 3.3” × 1.5”

Price: Euro:280 / US$331 / Yen:37270 / AUD$420
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 = 5.5” × 4.2” × 1.9”

Main crystal size: 2.9 × 2.4 cm = 1.1” × 0.9”

Price: Euro:460 / US$545 / Yen:61230 / AUD$690
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 = 2.8” × 2.0” × 1.8”

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 = 2.8” × 2.2” × 1.2”

Main crystal size: 3.5 × 3.4 cm = 1.4” × 1.3”

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 = 1.8” × 1.3” × 1.1”

Price: [SOLD]
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 = 4.9” × 4.3” × 1.7”

Main crystal size: 2.7 × 1.8 cm = 1.1” × 0.7”

Price: Euro:180 / US$213 / Yen:23960 / AUD$270
Siderite with Dolomite, Calcite and Sphalerite.
MG56AB1: Siderite with Dolomite, Calcite and Sphalerite
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 Sphalerite 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 = 3.7” × 2.0” × 1.4”

Price: Euro:155 / US$183 / Yen:20630 / AUD$230
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 = 1.5” × 1.2” × 1.2”

Main crystal size: 2.8 × 1.1 cm = 1.1” × 0.4”

Price: Euro:80 / US$94 / Yen:10640 / AUD$120
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 = 4.5” × 3.7” × 2.2”

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.
Wolodarsk-Wolynskii, Zhytomyr Oblast',   Ukraine
Specimen size: 6.7 × 4.9 × 3.6 cm = 2.6” × 1.9” × 1.4”

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 = 4.3” × 3.0” × 1.6”

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, Tarhbalt, Er Rachidia Province, Meknès-Tafilalet Region  Morocco (12/2011-01/2012)
Specimen size: 5.3 × 4.7 × 4.7 cm = 2.1” × 1.9” × 1.9”

Main crystal size: 1.5 × 1.2 cm = 0.6” × 0.5”

Price: [SOLD]
Siderite with Pyrite.
SA88AC3: Siderite with Pyrite
Aggregate of rhombohedral Siderite crystals with slightly curved faces and very bright and “paved” surfaces partially coated by small Pyrite crystals. It is an excellent German classic for the species and the locality. As is the case with so many specimens in this collection, the sample is of great quality for the locality.
Georg Mine, Willroth, Flammersfeld, Altenkirchen, Siegerland, Rhineland-Palatinate/Rheinland-Pfalz  Germany
Specimen size: 14 × 7.8 × 3.7 cm = 5.5” × 3.1” × 1.5”

Price: [SOLD]
Siderite with Pyrite.
TB8M9: Siderite with Pyrite
Group of lenticular crystals that have a very contrasted doubly coloration, with both dark and yellowish-brown areas. They are on matrix, with small crystals of Pyrite that are complex, with the predominant forms of the octahedron.
Tres Cruces, Potosí  Bolivia
Specimen size: 4.9 × 4.3 × 3.3 cm = 1.9” × 1.7” × 1.3”

Main crystal size: 3.4 × 2.4 cm = 1.3” × 0.9”

Price: [SOLD]
Siderite with Pyrite and Chalcopyrite.
AG46AB1: Siderite with Pyrite and Chalcopyrite
Aggregate of lenticular Siderite crystals with a clear color, on a Chalcopyrite matrix and partially coated by small cubic Pyrite crystals.
The sample was in the Alain Martaud collection and we’ll send his original label to the buyer.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (1987-2013)
Specimen size: 6.2 × 5.9 × 4.5 cm = 2.4” × 2.3” × 1.8”

Price: [SOLD]
Siderite with Pyrite and Muscovite.
NP86AB8: Siderite with Pyrite and Muscovite
Elongated Siderite crystal with very well defined growth striations and good terminations, the lower one bordered by small cubic pyrite crystals. It is on a matrix of leafy Muscovite with Pyrite crystals.
Minas da Panasqueira, level 0, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (11/2014)
Specimen size: 6.3 × 4.9 × 2.3 cm = 2.5” × 1.9” × 0.9”

Main crystal size: 4.4 × 3 cm = 1.7” × 1.2”

Price: [SOLD]
Siderite with Pyrrhotite.
GQ11R6: Siderite with Pyrrhotite
The sample is very representative of the Siderite from the Morro Velho gold mine, samples that were relatively abundant a few decades ago and very scarce today. The lenticular crystals, very sharp, have an excellent color and intense luster.
Morro Velho mine, Nova Lima, Minas Gerais  Brazil
Specimen size: 5 × 4.8 × 3.8 cm = 2.0” × 1.9” × 1.5”

Price: [SOLD]
Siderite with Quartz.
TQ13AG0: Siderite with Quartz
Spheroidal aggregates of small lenticular Siderite crystals on a group of Quartz crystals
San Valentín open pit, Sancti Espíritu, Sierra Minera de Cartagena-La Unión, La Unión, Comarca Campo de Cartagena, Murcia, Region of Murcia  Spain (1980-1985)
Specimen size: 4.9 × 4.4 × 4.4 cm = 1.9” × 1.7” × 1.7”

Main crystal size: 1.3 × 1.2 cm = 0.5” × 0.5”

Price: [RESERVED]
Siderite with Quartz.
TJ36AF7: Siderite with Quartz
Partial coatings of clusters of lenticular Siderite crystals that are very bright and are on a group of Quartz crystals on a rocky matrix. The Quartz has a very short prism, the crystal faces are recrystallized by a second generation and flat and elongated Quartz (chalcedony variety) growths.
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, Murcia, Region of Murcia  Spain (1980-1985)
Specimen size: 6.1 × 4.7 × 2.6 cm = 2.4” × 1.9” × 1.0”

Price: [SOLD]
Siderite with Quartz.
TR86AF7: Siderite with Quartz
Partial coatings of lenticular Siderite crystals that are very bright and have grown on Quartz crystals that have a very short prism.
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, Murcia, Region of Murcia  Spain
Specimen size: 10.15.3 × 6.7 cm = 4.0” × 2.6”

Price: [SOLD]
Siderite with Quartz.
TV47AF7: Siderite with Quartz
Druse of rhombohedral Siderite crystals that are very bright, coating Quartz crystals with a very short prism.
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, Murcia, Region of Murcia  Spain (1980-1985)
Specimen size: 9.3 × 7.2 × 4 cm = 3.7” × 2.8” × 1.6”

Price: [SOLD]
Siderite with Quartz.
SR58AC7: Siderite with Quartz
Aggregate of very sharp and well defined rhombohedral crystals with echeloned edges. They are very bright, have a clear brown color and are on matrix, with very well defined Quartz crystals. As is the case with so many specimens in this collection, in this case a German classic, the sample is of great quality for the locality.
Neudorf, Harzgerode mining district, Harz, Saxony-Anhalt/Sachsen-Anhalt  Germany
Specimen size: 11.2 × 8 × 4.8 cm = 4.4” × 3.1” × 1.9”

Main crystal size: 2 × 1.2 cm = 0.8” × 0.5”

Price: [SOLD]
Siderite with Quartz.
EF86R3: Siderite with Quartz
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, Isère, Auvergne-Rhône-Alpes  France
Specimen size: 5.2 × 3.7 × 3.8 cm = 2.0” × 1.5” × 1.5”

Price: [SOLD]

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