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Mineral specimens search results for [ Dolomite ]Page bottom

Dolomite after Calcite and Hematite.
ST56AC0: Dolomite after Calcite and Hematite
Aggregate of scalenohedral Calcite crystals, on matrix, with red Hematite inclusions. The Calcite crystals have internally dissolved leaving only remaining the former crystal form. Both the matrix surface and the cavities on it, including the interior of the Calcite crystals, are coated by small Dolomite rhombohedrons. As is the case with so many specimens in this collection, the sample is of great quality for the locality.
Christiane Mine, Adorf, Diemelsee, Waldeck-Frankenberg District, Hesse/Hessen  Germany (±1950)
Specimen size: 9.2 × 5.4 × 4.8 cm = 3.62” × 2.13” × 1.89”

Price: [SOLD]
Dolomite after Calcite and with Pyrite.
SB37AE3: Dolomite after Calcite and with Pyrite
Aggregate of small rhombohedral Dolomite crystals pseudomorphous after large scalenohedral Calcite crystals on a matrix with very sharp and bright cubic Pyrite crystals. An Italian classic.
The sample is with a label from the Stoppani collection that 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
Niccioleta Mine, Massa Marittima, Grosseto Province, Tuscany  Italy
Specimen size: 13.5 × 8.2 × 7 cm = 5.31” × 3.23” × 2.76”

Main crystal size: 12.3 × 4 cm = 4.84” × 1.57”

Price: [SOLD]
Dolomite on Quartz and Chalcopyrite.
SD99AC3: Dolomite on Quartz and Chalcopyrite
Slightly deformed rhombohedral Dolomite crystals with a pale-brown to pinkish color, with small twinned Chalcopyrite crystals on their surfaces and on a base of Quartz crystals with a very poorly developed prism. 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.
Eupel Mine, Niederhövels, Wissen, Flammersfeld, Altenkirchen (Westerwald), Siegerland, Rhineland-Palatinate/Rheinland-Pfalz  Germany
Specimen size: 17.8 × 10.2 × 4.4 cm = 7.01” × 4.02” × 1.73”

Price: €430 / US$487 / ¥56060 / AUD$670
Dolomite on Quartz with Siderite and Ferberite.
HM220NF: Dolomite on Quartz with Siderite and Ferberite
Group of white rhombohedral Dolomite crystals with very well defined faces and edges, on matrix, with small crystals of Quartz, Ferberite, and lenticular crystals of Siderite.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (±2000)
Specimen size: 10.8 × 7.6 × 6.6 cm = 4.25” × 2.99” × 2.60”

Main crystal size: 2.3 × 2 cm = 0.91” × 0.79”

Price: [SOLD]
Dolomite with Calcite.
SD96AF0: Dolomite with Calcite
Groups, on a rocky matrix, of very Sharp rhombohedral crystals with polycrystalline growths, bright and with a snowy white color.
The sample is from the Francesco S. Stoppani collection (catalog number 0948), whose label we’ll send to the buyer.
Val Pulita Quarry, Carrara, Apuan Alps, Massa-Carrara Province, Tuscany  Italy
Specimen size: 8.2 × 7.4 × 6.5 cm = 3.23” × 2.91” × 2.56”

Price: [SOLD]
Dolomite with Calcite.
EE87AL4: Dolomite with Calcite
Floater group of white rhombohedral Dolomite crystals that form parallel polycrystalline aggregates and are partially coated with some Calcite crystals.
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District  Kosovo (2002)
Specimen size: 14.3 × 8.9 × 4.4 cm = 5.63” × 3.50” × 1.73”

Price: €240 / US$271 / ¥31290 / AUD$370
Dolomite with Calcite, Pyrite, Arsenopyrite and Quartz.
EJ89AG8: Dolomite with Calcite, Pyrite, Arsenopyrite and Quartz
The great mining region of Trepča is one of the largest polymetal deposits in the world and it has given for many years exceptional pieces of Sphalerite as well as varied combinations of sulfides and carbonates. This old piece, found before the mine went back to work in 2005, presents an architectural group of large rhombohedral Dolomite crystals partially coated by Calcite crystals and with a cluster of Pyrite crystals on one side of the piece. Small crystals of Arsenopyrite dot the large Dolomite crystals and also some small Quartz crystals complete the combo.
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District  Kosovo (1994-2002)
Specimen size: 18.5 × 11.5 × 7.7 cm = 7.28” × 4.53” × 3.03”

Price: €460 / US$520 / ¥59970 / AUD$710
Dolomite with Chalcopyrite and Quartz.
SC7AD6: Dolomite with Chalcopyrite and Quartz
Very sharp white rhombohedral Dolomite crystals implanted on a matrix of Quartz crystals with small twinned Chalcopyrite crystals on both the Quartz and the Dolomite. An excellent German classic.
Eupel Mine, Niederhövels, Wissen, Flammersfeld, Altenkirchen (Westerwald), Siegerland, Rhineland-Palatinate/Rheinland-Pfalz  Germany
Specimen size: 16.8 × 10.5 × 6.5 cm = 6.61” × 4.13” × 2.56”

Main crystal size: 1.1 × 1 cm = 0.43” × 0.39”

Price: €180 / US$203 / ¥23460 / AUD$280
Dolomite with doubly terminated Quartz.
TP36J8: Dolomite with doubly terminated Quartz
Thick tabular crystal tabular formed by dominant pinacoid faces and those of the rhombohedron, giving it a hexagonal shape. The frosted crystal is implanted on a neat and bright, doubly terminated, prism of Quartz.
Serra das Éguas, Brumado, Bahia, Northeast Region  Brazil (2006)
Specimen size: 9.3 × 2.8 × 2.7 cm = 3.66” × 1.10” × 1.06”

Price: [SOLD]
Dolomite with Hematite (kidney ore).
SE96AB8: Dolomite with Hematite (kidney ore)
Aggregates of saddle-shaped Dolomite crystals on a matrix of botryoidal Hematite coated by a thin layer of very small lenticular crystals of the same Hematite.
The sample is with labels from the J.F. Lanoë collection and the Stoppani collection. As is the case with so many specimens in this collection, the sample is of great quality for the locality.
Beckermet Mine, Egremont, West Cumberland Iron Field, former Cumberland, Cumbria  England / United Kingdom
Specimen size: 11.7 × 7 × 2 cm = 4.61” × 2.76” × 0.79”

Price: [SOLD]
Dolomite with Hemimorphite.
MV10W4: Dolomite with Hemimorphite
Very well defined rhombohedral crystals of simple forms, bright and with snowy white color. They are implanted on a base of flattened crystals of Hemimorphite, also very well defined, and on a limonite matrix. Such samples were quite common at the Ojuela Mine in the eighties.
Ojuela Mine, Mapimí, Municipio Mapimí, Durango  Mexico (1970-1980)
Specimen size: 8.2 × 6.1 × 4.1 cm = 3.23” × 2.40” × 1.61”

Price: [SOLD]
Dolomite with Magnesite.
NC11G8: Dolomite with Magnesite
Group of rhombohedral crystals. They are twinned and have very well marked triangular growth figures. On the matrix there are little lenticular crystals of Magnesite. Different from the usual.
Azcárate Quarry, Eugui, Esteríbar, Comarca Auñamendi, Navarre, Autonomous Community of Navarre  Spain (09/2005)
Specimen size: 6.2 × 4.3 × 3.8 cm = 2.44” × 1.69” × 1.50”

Price: [SOLD]
Dolomite with Mica.
NC36C3: Dolomite with Mica
Something very different for the common stuff from this mine. Very brilliant and a little bit transparent groups of parallel crystals of very white Dolomite. The quality is much better than the others and the form is totally different from the regular ones from this mine.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (2002)
Specimen size: 10 × 5 × 5.5 cm = 3.94” × 1.97” × 2.17”

Price: [SOLD]
Dolomite with Quartz.
HM110EV: Dolomite with Quartz
White rhombohedral Dolomite crystals on matrix, among which a clearly dominant group stands out in the upper part of the specimen. An Italian alpine classic.
Traversella Mine, Traversella, Chiusella Valley, Canavese District, Metropolitan City of Turin Province, Piedmont (Piemonte)  Italy
Specimen size: 12.2 × 7.3 × 3.3 cm = 4.80” × 2.87” × 1.30”

Main crystal size: 3 × 2.5 cm = 1.18” × 0.98”

Price: €110 / US$124 / ¥14340 / AUD$170
Dolomite with Siderite.
SD87AC0: Dolomite with Siderite
Drusy growth, on a rocky matrix, of sharp rhombohedral Siderite crystals with a brown color coated by white rhombohedral Dolomite crystals between transparent and translucent and small Quartz crystals. A French classic.
La Mure coal mines, La Mure, Matheysine-Trièves, Grenoble, Isère, Auvergne-Rhône-Alpes  France
Specimen size: 15.8 × 9.4 × 3.9 cm = 6.22” × 3.70” × 1.54”

Price: [SOLD]
Dolomite with Siderite and Gypsum with inclusions of Boulangerite.
EC86AC4: Dolomite with Siderite and Gypsum with inclusions of Boulangerite
Parallel aggregates of very flattened rhombohedral Siderite-Dolomite crystals partially coated by Gypsum crystals that have Boulangerite inclusions. We note that this association of Boulangerite and Gypsum is rare.
Herja Mine, Chiuzbaia, Baia Sprie, Maramures  Romania (1960-1970)
Specimen size: 11 × 7.2 × 4.3 cm = 4.33” × 2.83” × 1.69”

Price: [SOLD]
Twinned Dolomite.
NZ66AL0: Twinned Dolomite
Group of very sharp Dolomite crystals, rhombohedral, with interpenetration twins, between transparent and translucent, very bright luster, and on matrix. A Spanish classic that comes from the Carlos Prieto Paramio collection, whose label we will send to the buyer.
Asturreta Quarry, 'el pozo', Eugui, Esteríbar, Comarca Auñamendi, Navarre, Autonomous Community of Navarre  Spain (±1970)
Specimen size: 6.5 × 5.1 × 4.5 cm = 2.56” × 2.01” × 1.77”

Price: [SOLD]
Twinned Dolomite.
MA86AJ2: Twinned Dolomite
Aerial group of very sharp rhombohedral Dolomite crystals, twinned with their faces crossed by fine growth striations, colorless, clear and very bright. An excellent Spanish classic.
Asturreta Quarry, 'el pozo', Eugui, Esteríbar, Comarca Auñamendi, Navarre, Autonomous Community of Navarre  Spain (±1970)
Specimen size: 5.4 × 4.7 × 2.2 cm = 2.13” × 1.85” × 0.87”

Main crystal size: 1.7 × 1.7 cm = 0.67” × 0.67”

Price: [SOLD]
Twinned Dolomite.
4D27: Twinned Dolomite
Group of very sharp, colorless, transparent and shiny rhombohedral Dolomite crystals with sharp interpenetration twins. A Spanish classic of excellent quality.
Asturreta Quarry, 'el pozo', Eugui, Esteríbar, Comarca Auñamendi, Navarre, Autonomous Community of Navarre  Spain (1970)
Specimen size: 12.0 × 10.3 cm = 4.72” × 4.06”

Price: [SOLD]
Twinned Dolomite.
EM99AI7: Twinned Dolomite
Group of very sharp rhombohedral crystals, one of them clearly dominant. They are interpenetration twins and are transparent, very bright and have gray phantom growths. A Spanish classic really fine and of great quality. The sample is from the Daunis collection.
Asturreta Quarry, 'el pozo', Eugui, Esteríbar, Comarca Auñamendi, Navarre, Autonomous Community of Navarre  Spain (±1970)
Specimen size: 5.6 × 3.5 × 4.3 cm = 2.20” × 1.38” × 1.69”

Main crystal size: 3 × 3 cm = 1.18” × 1.18”

Price: [SOLD]
Twinned Dolomite.
EM90AK5: Twinned Dolomite
Group of very sharp, colorless, transparent and brilliant rhombohedral crystals of Dolomite, on matrix, with some Pyrite microcrystals. A Spanish classic of excellent quality.
Asturreta Quarry, 'el pozo', Eugui, Esteríbar, Comarca Auñamendi, Navarre, Autonomous Community of Navarre  Spain (±1970)
Specimen size: 12.8 × 7.4 × 4 cm = 5.04” × 2.91” × 1.57”

Price: [SOLD]
Twinned Dolomite.
TC680NF: Twinned Dolomite
Sharp rhombohedral Dolomite crystals with very distinct interpenetration twins, from transparent to translucent, lustrous and colorless with the gray zoning characteristic of old Eugui Dolomites, on matrix. A great Spanish classic.
Azcárate Quarry, Eugui, Esteríbar, Comarca Auñamendi, Navarre, Autonomous Community of Navarre  Spain (1997)
Specimen size: 22 × 13.8 × 7.2 cm = 8.66” × 5.43” × 2.83”

Main crystal size: 4 × 3 cm = 1.57” × 1.18”

Price: [SOLD]
Twinned Dolomite.
MC93AJ5: Twinned Dolomite
Very aerial groups of rhombohedral twinned crystals that are transparent, very bright and colorless. An excellent Spanish classic with great quality and very esthetic.
Asturreta Quarry, 'el pozo', Eugui, Esteríbar, Comarca Auñamendi, Navarre, Autonomous Community of Navarre  Spain (±1970)
Specimen size: 9 × 8.7 × 6.8 cm = 3.54” × 3.43” × 2.68”

Price: [SOLD]
Twinned Dolomite.
ET66AM7: Twinned Dolomite
Large group of very sharp rhombohedral Dolomite crystals. Transparent, very lustrous, with geometric color zoning, bluish grey tones and rainbows. A Spanish classic, difficult to find with this size of crystals and with such quality.
Asturreta Quarry, 'el pozo', Eugui, Esteríbar, Comarca Auñamendi, Navarre, Autonomous Community of Navarre  Spain (±1970)
Specimen size: 16.6 × 14 × 6 cm = 6.54” × 5.51” × 2.36”

Main crystal size: 7.4 × 6.7 cm = 2.91” × 2.64”

Price: €1600 / US$1812 / ¥208600 / AUD$2490
Twinned Dolomite.
SA96AC1: Twinned Dolomite
Aggregate of crystals formed by the positive and the negative rhombohedron, twinned, very sharp and transparent. They have grown on a first generation of translucent white rhombohedrons of the same Dolomite. This kind of twin is very uncommon at Eugui, so, historically, they have been very appreciated by collectors.
Asturreta Quarry, Eugui, Esteríbar, Comarca Auñamendi, Navarre, Autonomous Community of Navarre  Spain (±1965)
Specimen size: 14.5 × 11.4 × 8.7 cm = 5.71” × 4.49” × 3.43”

Price: [SOLD]

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