Mineral specimens search results

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Stellate druse formed of Quartz crystals, most of them with a highly developed prism although much less developed rhombohedral terminations. A second generation of finer Quartz crystals with whiter tones adorns the center of the piece as a "pompom". Small randomly scattered aggregates of Calcite crystals complete the specimen, which comes from the Ferat Voca collection.
Stan Trg (Stan Terg, Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District Kosovo (2000-2021)
Specimen size: 10.7 × 6.7 × 4 cm = 4.21” × 2.64” × 1.57”

JFD191AP3: Quartz with Pyrite and Muscovite

It's a little love of mine, this piece. The specimen is a floater, it has no damage, everything complete, and everything, both Quartz and Pyrite and even the Muscovite, has quality. As I said, I feel a little love for it.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (±1999)
Specimen size: 9.2 × 7.3 × 2.4 cm = 3.62” × 2.87” × 0.94”

Main crystal size: 9.2 × 2.3 cm = 3.62” × 0.91”

JXF36AP8: Quartz with Pyrophyllite

Group of Quartz crystals, all of them doubly terminated, transparent, very lustrous and partially covered by white Pyrophyllite microcrystals. This very old specimen comes from the collection of Andrés Jiménez Shelly and is accompanied by a card handwritten by Joaquín Folch Girona that we will send to the buyer.
Baiasca, Llavorsí, Comarca Pallars Sobirà, Lérida / Lleida, Catalonia / Catalunya Spain (±1956)
Specimen size: 6 × 5 × 4.1 cm = 2.36” × 1.97” × 1.61”

RC10T8: Quartz with Pyrophyllite

Crystals of quartz with parallel growths on their terminal areas, very bright and partially coated by small crystals of Pyrophyllite.
Prat d'en Mallol, Llavorsí, Comarca Pallars Sobirà, Lérida / Lleida, Catalonia / Catalunya Spain (1963)
Specimen size: 9.4 × 6.9 × 6.4 cm = 3.70” × 2.72” × 2.52”

Main crystal size: 9.4 × 4.4 cm = 3.70” × 1.73”

SV3640EZT: Quartz with Quartz after Fluorite

An odd piece from Sidi Rahal: Large, with a pretty color and in good condition, with two peculiarities: small crystals that form elongated groups of stalactitic aspect, not much seen before in Sidi Rahal, and also, the presence of a pseudomorph of Quartz after a large Fluorite crystal. It does not stand out especially because it is on the side of the specimen and is very flat, but there it is. A double rarity from a locality that already had a tendency to yield peculiar quartzes.
Akassi, Tazarout, Sidi Rahal area, El Kelaâ des Sraghna Province, Marrakech-Safi Region Morocco (03/2023)
Specimen size: 18.7 × 14.8 × 10.5 cm = 7.36” × 5.83” × 4.13”

GV96V9: Quartz with Rutile

Very sharp acicular crystals of Rutile that are really bright and have a golden yellow color. They are included in a very bright partially doubly terminated crystal of smoky Quartz.
Novo Horizonte, Bahia, Northeast Region Brazil (±1988)
Specimen size: 8.8 × 4.6 × 2.7 cm = 3.46” × 1.81” × 1.06”

RQ14Q5: Quartz with Rutile

Very elongated crystal of Rutile, completely doubly terminated, with very well defined faces and edges and being almost completely included in a clear crystal of Quartz.
Oberalp Pass area, Tavetsch, Vorderrhein Valley, Grisons Switzerland
Specimen size: 7.5 × 6 × 4.2 cm = 2.95” × 2.36” × 1.65”

MR12AM8: Quartz with Rutile inclusions

Transparent and lustrous Quartz crystal with abundant oriented inclusions of acicular Rutile crystals. A Brazilian classic that we will send to the buyer in its original Perky box from the Robert J. Noble collection, which also contains the label.
Novo Horizonte, Bahia, Northeast Region Brazil
Specimen size: 3.1 × 2.7 × 2.6 cm = 1.22” × 1.06” × 1.02”

11ER72: Quartz with Rutile inclusions

Group of Quartz crystals (smoky variety), one of them clearly dominant, doubly terminated, very rich in golden yellow inclusions of fine acicular Rutile crystals, and with a little bit of matrix made up of Hematite crystals, from a classic locality for rutilated Quartz. The sample is from the Raúl Sanabria collection whose label we will send to the buyer.
Caí bom Mine, Novo Horizonte, Bahia, Northeast Region Brazil
Specimen size: 10.2 × 6.0 × 4.7 cm = 4.02” × 2.36” × 1.85”

TR47AH1: Quartz with Rutile, Chlorite and Mica

A novelty at Tucson 2018. Group of Quartz crystals, one of them clearly dominant, transparent, with included acicular Rutile crystals and small leafy Mica aggregates.
Sainj Valley, Manihar Valley, Kullu District, Himachal Pradesh India (06/2017)
Specimen size: 8.9 × 6.9 × 4.5 cm = 3.50” × 2.72” × 1.77”

Main crystal size: 6 × 2.4 cm = 2.36” × 0.94”

TB78Z3: Quartz with Shattuckite inclusions

Quartz crystals very rich in Shattuckite inclusions with an unusually intense and uniform color. A sample that is very different than usual.
Kandesei Mine, Kaokoveld Plateau, Kunene Region Namibia (2009)
Specimen size: 3.4 × 3.2 × 2.4 cm = 1.34” × 1.26” × 0.94”

JFD101AO2: Quartz with Siderite

Nothing special but, as always in Panasqueira, with 'something' particular. It has the added value of having been in the private collection of a Portuguese doctor who at the time was very assiduous in trying to obtain the best pieces that came out of Panasqueira.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (±1985)
Specimen size: 4 × 2.6 × 0.5 cm = 1.57” × 1.02” × 0.20”

Main crystal size: 3 × 0.7 cm = 1.18” × 0.28”

AA11AM7: Quartz with Siderite

Quartz crystal with very sharp crystal forms, partially doubly terminated, transparent, lustrous, with inclusions, and implanted on a matrix with rhombohedral Siderite crystals.
Tazoult Nâra deposit, Jebel Boutaraf, Taouz, Er Rachidia Province, Drâa-Tafilalet Region Morocco (1998)
Specimen size: 5.6 × 4.4 × 2.7 cm = 2.20” × 1.73” × 1.06”

AB63AM7: Quartz with Siderite

Quartz crystal with very sharp crystal forms, extraordinarily transparent and lustrous, colorless, and implanted on a matrix of rhombohedral Siderite crystals.
Tazoult Nâra deposit, Jebel Boutaraf, Taouz, Er Rachidia Province, Drâa-Tafilalet Region Morocco (1998)
Specimen size: 5.2 × 4.7 × 2.8 cm = 2.05” × 1.85” × 1.10”

Main crystal size: 2.3 × 1.8 cm = 0.91” × 0.71”

EAB56CD1: Quartz with Siderite

From a mine famous for the quality of its siderites and chalcopyrites, but which has a bad reputation for frequent small (or large) damage. This specimen on the other hand is totally perfect.
Kaiwu Mine, Hezhang, Bijie Prefecture, Guizhou Province China (2023)
Specimen size: 5.3 × 4.1 × 3.4 cm = 2.09” × 1.61” × 1.34”

TE76AG0: Quartz with Siderite

Group of Quartz crystals, one of them clearly dominant, with a very short prism and coated by a second generation of micro-crystalline Quartz. With small Siderite crystals.
San Valentín open pit, Sancti Espíritu, Sierra Minera de Cartagena-La Unión, La Unión, Comarca Campo de Cartagena, Region of Murcia (Murcia) Spain
Specimen size: 9.8 × 7.2 × 6 cm = 3.86” × 2.83” × 2.36”

Main crystal size: 5.5 × 4.6 cm = 2.17” × 1.81”

ET27AK6: Quartz with Siderite

Doubly terminated Quartz crystal, between translucent and transparent, very lustrous, with inclusions and on a matrix of sharp rhombohedral crystals of Siderite. Although it was found in the Taouz area, it is not from the group of mines at that locality but rather appeared on a nearby mountain that has no relation to the mining complex.
Tazoult Nâra deposit, Jebel Boutaraf, Taouz, Er Rachidia Province, Drâa-Tafilalet Region Morocco (±1999)
Specimen size: 8.8 × 5.2 × 3.6 cm = 3.46” × 2.05” × 1.42”

JFD14AN5: Quartz with Siderite

Vizille is a classic French mineral locality where many alpine quartzes and very good (and very large) siderites have been found. I kept this piece because I really liked that Quartz, alone and tall in the middle of the piece, and because the specimen was a floater, with a single large Siderite crystal in which are the Quartz and a second generation of siderites, with smaller and lighter colored crystals.
Mésage Mine, Saint-Pierre-de-Mésage, Vizille, Grenoble, Isère, Auvergne-Rhône-Alpes France (2010)
Specimen size: 7.2 × 5.6 × 6.1 cm = 2.83” × 2.20” × 2.40”

Main crystal size: 3.7 × 0.7 cm = 1.46” × 0.28”

NM47AC6: Quartz with Siderite

Strongly etched Quartz crystal with very deep dissolutions forms. It is transparent and is partially coated by small Siderite crystals. Very different from the usual Quartzes from Panasqueira, if it was not for the distinctive associated Siderite, it could seem an Alpine Quartz. 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 1, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (03/2014)
Specimen size: 12.7 × 5.5 × 4.7 cm = 5.00” × 2.17” × 1.85”

MBR87CD3: Quartz with Siderite

Druse formed by Quartz crystals, on matrix, very elongated and aerial, water-clear and perfectly sharp, with endings that show the Dauphine habit, interpenetrated by ocher-brown rhombohedral Siderite crystals forming a classic alpine association for these two species and with the Quartz clearer than is usually the case for this locality.
Le Trou des Chasseurs, Vizille, Grenoble, Isère, Auvergne-Rhône-Alpes France (12/2011)
Specimen size: 8.8 × 6.2 × 5.3 cm = 3.46” × 2.44” × 2.09”

Main crystal size: 1.4 × 1.3 cm = 0.55” × 0.51”

LF54AK2: Quartz with Siderite

Parallel aggregates of lustrous cream-colored rhombic crystals of Siderite with polycrystalline surfaces on their faces, with slight curvatures on the edges, implanted on a group of colorless transparent Quartz crystals. The specimen, of the best quality known from this mine, comes from the Philippe Morelon collection (No. 414), whose catalogue entry we will send to the buyer.
Iouriren Mine (AGM Mine), Akka, Tafraout, Tiznit Province, Souss-Massa Region Morocco
Specimen size: 13.4 × 7.4 × 5.1 cm = 5.28” × 2.91” × 2.01”

XM160TC: Quartz with Siderite

Group of Quartz crystals with dominant dipyramidal forms and a short prism, translucent, lustrous and with a pale amethyst color, partially covered by small crystals of Siderite. The specimen comes from the Alain Martaud collection, 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, Region of Murcia (Murcia) Spain
Specimen size: 5.8 × 5.1 × 4.7 cm = 2.28” × 2.01” × 1.85”

Main crystal size: 3 × 2.4 cm = 1.18” × 0.94”

XM70JB: Quartz with Siderite

Group of Quartz crystals with very well defined faces and edges, with unusual and very marked twists, transparent, shiny, and partially covered by small rhombohedral Siderite crystals.
Vizille, Grenoble, Isère, Auvergne-Rhône-Alpes France (2010)
Specimen size: 5.3 × 5.2 × 4.8 cm = 2.09” × 2.05” × 1.89”

HM560NX: Quartz with Siderite

Group of Quartz crystals with a very short prism, good luster, and almost completely covered by a thin sheet of Siderite microcrystals.
The specimen comes from the Miguel David Martínez collection (nº 601) 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, Region of Murcia (Murcia) Spain (1990)
Specimen size: 10.7 × 9.8 × 7.3 cm = 4.21” × 3.86” × 2.87”

Main crystal size: 3.5 × 3.4 cm = 1.38” × 1.34”

E13DE2: Quartz with Siderite

Neat and brilliant Quartz with neat and brilliant Siderite. A floater with the base of the Quartz and Siderite re-crystallized.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (1997)
Specimen size: 7 × 5 × 4.5 cm = 2.76” × 1.97” × 1.77”

12722 results found.

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