Dolomite - Mineral specimens search results

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Mineral specimens search results for [ Dolomite ]

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”
Price: €180 / US$191 / ¥29360 / AUD$290

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”

Main crystal size: 2.1 × 2.1 cm = 0.83” × 0.83”
Price: [SOLD]

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]

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”

Main crystal size: 2.7 × 2.1 cm = 1.06” × 0.83”
Price: [SOLD]

JEM96AP8: Dolomite with Magnesite

Rhombohedral Dolomite crystals, transparent, very lustrous, colorless and on matrix, with lenticular Magnesite crystals. This specimen has a very different crystallography than usual, and comes from the collection of Andrés Jiménez Shelly and was previously in the Folch collection (duplicates) whose handwritten label we will attach.
Asturreta Quarry, Eugui, Esteríbar, Comarca Auñamendi, Chartered Community of Navarre (Navarre) Spain (±1970)
Specimen size: 6.3 × 4.9 × 3.3 cm = 2.48” × 1.93” × 1.30”
Price: €240 / US$255 / ¥39150 / AUD$390

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, Chartered Community of Navarre (Navarre) Spain (09/2005)
Specimen size: 6.2 × 4.3 × 3.8 cm = 2.44” × 1.69” × 1.50”
Price: [SOLD]

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]

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$117 / ¥17940 / AUD$180

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]

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]

18TFR14: Dolomite, Calcite, Quartz

Druse formed of slightly transparent, white Quartz crystals, terminated and with an aerial growth habit on which sit several isolated cream-colored Dolomite crystals with rough faces and sharp edges. Finally, the piece is adorned with whitish scalenohedral Calcite crystals. The Trepča mining complex is one of the largest polymetallic deposits in the world.
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District Kosovo (2000-2021)
Specimen size: 10.5 × 8.2 × 4.7 cm = 4.13” × 3.23” × 1.85”
Price: [SOLD]

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, Chartered Community of Navarre (Navarre) Spain (±1970)
Specimen size: 6.5 × 5.1 × 4.5 cm = 2.56” × 2.01” × 1.77”

Main crystal size: 3.5 × 2.2 cm = 1.38” × 0.87”
Price: [SOLD]

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, Chartered Community of Navarre (Navarre) Spain (±1970)
Specimen size: 5.4 × 4.7 × 2.2 cm = 2.13” × 1.85” × 0.87”
Price: [SOLD]

JFD150AO7: Twinned Dolomite

From the glorious era in which, in the 'el pozo' area, Engineer Córdoba ordered the saving of exceptional specimens. I was only 18 years old at the time and this was one of the dolomites I got. There were much better ones but, having just started in the world of mineral collecting at that time, I don't complain about my luck.
Asturreta Quarry, 'el pozo', Eugui, Esteríbar, Comarca Auñamendi, Chartered Community of Navarre (Navarre) Spain (±1974)
Specimen size: 5.4 × 4.4 × 3.2 cm = 2.13” × 1.73” × 1.26”

Main crystal size: 2.5 × 2.4 cm = 0.98” × 0.94”
Price: [SOLD]

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, Chartered Community of Navarre (Navarre) Spain (1970)
Specimen size: 12.0 × 10.3 cm = 4.72” × 4.06”
Price: [SOLD]

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, Chartered Community of Navarre (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]

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, Chartered Community of Navarre (Navarre) Spain (±1970)
Specimen size: 12.8 × 7.4 × 4 cm = 5.04” × 2.91” × 1.57”
Price: [SOLD]

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, Chartered Community of Navarre (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]

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, Chartered Community of Navarre (Navarre) Spain (±1970)
Specimen size: 9 × 8.7 × 6.8 cm = 3.54” × 3.43” × 2.68”
Price: [SOLD]

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, Chartered Community of Navarre (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: [SOLD]

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, Chartered Community of Navarre (Navarre) Spain (±1965)
Specimen size: 14.5 × 11.4 × 8.7 cm = 5.71” × 4.49” × 3.43”
Price: [SOLD]

HM160DQ: Twinned Dolomite

Group of very sharp rhombohedral Dolomite crystals, transparent, lustrous and colorless. A classic of the Spanish mineralogy.
Former collection of Lluís Daunis
Asturreta Quarry, 'el pozo', Eugui, Esteríbar, Comarca Auñamendi, Chartered Community of Navarre (Navarre) Spain (±1970)
Specimen size: 4.4 × 4.1 × 2.9 cm = 1.73” × 1.61” × 1.14”

Main crystal size: 2.5 × 2.3 cm = 0.98” × 0.91”
Price: €160 / US$170 / ¥26100 / AUD$260

TD97D8: Twinned Dolomite

From the John Barlow collection, this perfect twin of two Dolomite crystals shows the degree of transparency and brilliance that has made the Dolomite from Eugui so famous. A very esthetic floater.
Asturreta Quarry, Eugui, Esteríbar, Comarca Auñamendi, Chartered Community of Navarre (Navarre) Spain (±1974)
Specimen size: 5.5 × 4.9 × 4.2 cm = 2.17” × 1.93” × 1.65”
Price: [SOLD]

FY47K0: Twinned Dolomite

Twin of two rhombohedral crystals of very well defined faces and edges, bright and translucent. The original label indicates that it was a gift from Carlos Díaz de Mauriño, from Pamplona, in 1967, to Sr. Folch.
Asturreta Quarry, Eugui, Esteríbar, Comarca Auñamendi, Chartered Community of Navarre (Navarre) Spain (±1967)
Specimen size: 7.7 × 6.1 × 6 cm = 3.03” × 2.40” × 2.36”

Main crystal size: 3.8 × 3.7 cm = 1.50” × 1.46”
Price: [SOLD]

NT89S5: Twinned Dolomite

Transparent and bright rhombohedral crystals with very well defined phantom growths in some of their faces. The interpenetration twin is specially sharp and underlined by fine horizontal striations.
Asturreta Quarry, Eugui, Esteríbar, Comarca Auñamendi, Chartered Community of Navarre (Navarre) Spain
Specimen size: 6.3 × 4.6 × 2.8 cm = 2.48” × 1.81” × 1.10”
Price: [SOLD]

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