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Mineral specimens search results for [ Dolomite ]Page bottom

Blue Dolomite.
TM98V4: Blue Dolomite
Irregular aggregate of deformed rhombohedral crystals with slightly curved faces and edges. They are completely transparent, with a nice, very intense and uniform blue color (really unusual for the species) and they are on matrix. The sample has been analyzed and we’ll send a copy of the analysis to the buyer.
This specimen's photo has been reviewed and published in the magazine ‘Mineralogical Record’ Jan-Feb 2016, page 56, volume 47, number 1
Peñas Blancas Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department  Colombia (2008-2009)
Specimen size: 6 × 3.5 × 4.2 cm = 2.4” × 1.4” × 1.7”

Price: [SOLD]
Cobaltoan Dolomite.
EH96T4: Cobaltoan Dolomite
Groups and single rhombohedral crystals with very well defined faces and edges, and with intense and deep color, on matrix.
Arhbar Mine, Bou Azzer District, Tazenakht, Ouarzazate Province, Souss-Massa-Draâ Region  Morocco (05/2011)
Specimen size: 8.8 × 6.9 × 3.7 cm = 3.5” × 2.7” × 1.5”

Main crystal size: 1 × 1 cm = 0.4” × 0.4”

Price: [SOLD]
Cobaltoan Dolomite.
AG16N2: Cobaltoan Dolomite
Group of flattened rhombohedral crystals that are almost lenticular, of exceptionally intense color. On matrix.
Mashamba West Mine, Kolwezi District, Katanga Copper Crescent, Katanga (Shaba)  Congo DR (Zaire)
Specimen size: 7.6 × 3.8 × 2.9 cm = 3.0” × 1.5” × 1.1”

Price: [SOLD]
Cobaltoan Dolomite with Marcasite and Goethite.
CB16G2: Cobaltoan Dolomite with Marcasite and Goethite
A very esthetic specimen. This Dolomite, of an attractive color, is partially covered by Marcasite cockscombs, and these covered by Goethite. The specimen caught our attention and we analyzed it to be sure about the identification. We will send the analysis to the buyer of the piece.
Arhbar Mine, Bou Azzer District, Tazenakht, Ouarzazate Province, Souss-Massa-Draâ Region  Morocco (02/2005)
Specimen size: 11.8 × 8 × 4.7 cm = 4.6” × 3.1” × 1.9”

Price: [SOLD]
Dolomite.
SC27AE3: Dolomite
Aggregates of very well defined Dolomite crystals with the well known “saddle” shape. They have a snowy white color and are on a rocky matrix. A Swiss classic from a single find when the tunnel was under construction.
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.
Furka Base Tunnel area, Realp, Urseren, Uri  Switzerland
Specimen size: 11.8 × 9 × 4.9 cm = 4.6” × 3.5” × 1.9”

Price: [SOLD]
Dolomite.
ST69AF0: Dolomite
Druse of crystals with dominant rhombohedron faces. They are translucent and extraordinarily bright.
The sample is from the Francesco S. Stoppani collection (catalog number 0946), 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.
Oberdorf an der Laming, Laming valley, Bruck an der Mur, Styria/Steiermark  Austria
Specimen size: 7 × 6.7 × 3.7 cm = 2.8” × 2.6” × 1.5”

Main crystal size: 1.8 × 1.5 cm = 0.7” × 0.6”

Price: Euro:440 / US$521 / Yen:58570 / AUD$660
Dolomite.
FL46: Dolomite
Floater, complete in all sides, twinned, sharp, gemmy with zoned phantoms. A quality specimen of the classic Eugui Dolomites.
Asturreta Quarry, Eugui, Esteríbar, Comarca Auñamendi, Navarre  Spain
Specimen size: 4.5 × 3.5 × 2 cm = 1.8” × 1.4” × 0.8”

Price: [SOLD]
Dolomite.
RQ46Q5: Dolomite
Twinned rhombohedral crystals with the usual quality for Eugui, with very well defined faces and edges, from transparent to translucent and very bright. A Spanish classic.
Asturreta Quarry, Eugui, Esteríbar, Comarca Auñamendi, Navarre  Spain (1959)
Specimen size: 6.9 × 4.4 × 2.7 cm = 2.7” × 1.7” × 1.1”

Main crystal size: 3.4 × 3.3 cm = 1.3” × 1.3”

Price: [SOLD]
Dolomite.
RZ46R6: Dolomite
Aerial group of translucent and bright rhombohedral crystals. The Folch collection records note that is was collected by F. Coma October 1959.
Asturreta Quarry, Eugui, Esteríbar, Comarca Auñamendi, Navarre  Spain
Specimen size: 5.8 × 3.8 × 3.9 cm = 2.3” × 1.5” × 1.5”

Price: [SOLD]
Dolomite.
RP17F9: Dolomite
The crystals of this aggregate have great clarity and brightness, with inner iridescent inclusions. The interpenetration twin is apparent in different zones on the specimen.
Asturreta Quarry, Eugui, Esteríbar, Comarca Auñamendi, Navarre  Spain (1968)
Specimen size: 7 × 5 × 3.7 cm = 2.8” × 2.0” × 1.5”

Price: [SOLD]
Dolomite.
RQ10X8: Dolomite
Aggregate of Sharp, white rhombohedral Dolomite crystals. They are translucent and have very well marked phantom growths.
Asturreta Quarry, Eugui, Esteríbar, Comarca Auñamendi, Navarre  Spain
Specimen size: 6.2 × 5.8 × 4.5 cm = 2.4” × 2.3” × 1.8”

Price: [SOLD]
Dolomite.
ED27R3: Dolomite
Group of sharp twinned rhombohedral crystals on matrix with very well defined faces and edges. The main crystal has a curious geometrical zoning that leaves one of its quadrants completely clear while the other three have gray inclusions.
The sample comes from the Museum of Luxembourg (register CK015) whose label will be sent to the buyer.
Azcárate Quarry, Eugui, Esteríbar, Comarca Auñamendi, Navarre  Spain
Specimen size: 4.9 × 4 × 3.4 cm = 1.9” × 1.6” × 1.3”

Main crystal size: 2.4 × 2.2 cm = 0.9” × 0.9”

Price: [SOLD]
Dolomite.
FC76: Dolomite
A curious specimen. It is a Dolomite totally covered (but not pseudomorphosised) by a thin chocolate cover of iron oxides. First impressions when you look at the specimen are: nice Siderite! When you look more carefully you will discover that the primary crystals are really white curved Dolomite crystals totally covered by a lustrous, brilliant, colorful coating. Something different!
Vekol Mine, Sif Vaya area, Vekol District, Tohono O'odham Indian Reservation, Pinal County, Arizona  USA
Specimen size: 6.5 × 5.1 × 2 cm = 2.6” × 2.0” × 0.8”

Price: [SOLD]
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 = 3.6” × 2.1” × 1.9”

Main crystal size: 2.7 × 1.5 cm = 1.1” × 0.6”

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 = 5.3” × 3.2” × 2.8”

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, Siegerland, Rhineland-Palatinate/Rheinland-Pfalz  Germany
Specimen size: 17.8 × 10.2 × 4.4 cm = 7.0” × 4.0” × 1.7”

Main crystal size: 1.2 × 1.1 cm = 0.5” × 0.4”

Price: Euro:430 / US$509 / Yen:57240 / AUD$650
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 = 3.2” × 2.9” × 2.6”

Price: Euro:180 / US$213 / Yen:23960 / AUD$270
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, Siegerland, Rhineland-Palatinate/Rheinland-Pfalz  Germany
Specimen size: 16.8 × 10.5 × 6.5 cm = 6.6” × 4.1” × 2.6”

Main crystal size: 1.1 × 1 cm = 0.4” × 0.4”

Price: Euro:180 / US$213 / Yen:23960 / AUD$270
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, Bahía  Brazil (2006)
Specimen size: 9.3 × 2.8 × 2.7 cm = 3.7” × 1.1” × 1.1”

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 = 4.6” × 2.8” × 0.8”

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 = 3.2” × 2.4” × 1.6”

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  Spain (09/2005)
Specimen size: 6.2 × 4.3 × 3.8 cm = 2.4” × 1.7” × 1.5”

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 = 3.9” × 2.0” × 2.2”

Price: [SOLD]
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, Isère, Auvergne-Rhône-Alpes  France
Specimen size: 15.8 × 9.4 × 3.9 cm = 6.2” × 3.7” × 1.5”

Main crystal size: 1 × 0.8 cm = 0.4” × 0.3”

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 Mare, Maramures  Romania (1960-1970)
Specimen size: 11 × 7.2 × 4.3 cm = 4.3” × 2.8” × 1.7”

Price: [SOLD]

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