Calcite - Mineral specimens search results

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Mineral specimens search results for [ Calcite ]

Groups of partially doubly terminated Calcite crystals with very well defined polycrystalline growths, colorless, clear, bright and very aerial and esthetic on a matrix coated by a first generation of Calcite crystals and with Pyrite microcrystals at the back.
The sample is from the Ignacio Hernández collection (num. 81) whose original label we’ll send to the buyer.
Herja Mine, Chiuzbaia, Baia Sprie, Maramures Romania
Specimen size: 9.3 × 4.7 × 2.9 cm = 3.66” × 1.85” × 1.14”

NRA66AN7: Calcite with Pyrite

Very curious white lamellar Calcite crystals with geometric color zoning and a small group of Pyrite crystals, very lustrous and rich in faces, dominated by pyritohedra. The upper levels of Panasqueira continue to provide surprising novelties, with specimens different from what was previously known.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Region Portugal (06/2021)
Specimen size: 8.6 × 5.2 × 2.7 cm = 3.39” × 2.05” × 1.06”

Main crystal size: 1.6 × 1 cm = 0.63” × 0.39”

NE46AI3: Calcite with Pyrite

Double aggregate forming a “loop-like” shape of scalenohedral Calcite crystals that are very acute, translucent, bright and on a matrix coated by a first generation of Calcite crystals with Pyrite at the back.
The sample is from the Ignacio Hernández collection (num. 50) whose original label we’ll send to the buyer.
Cavnic mining area, Cavnic, Maramures Romania
Specimen size: 5.3 × 4.8 × 3.8 cm = 2.09” × 1.89” × 1.50”

NQ86AE2: Calcite with Pyrite

Aggregate of flat white Calcite crystals in parallel growth, with curvatures on the faces and edges, translucent, and on a matrix coated by a first generation of Calcite crystals that are yellow, very much more individualized and with a very different shape. The matrix, on the back, is partially coated by aggregates of Pyrite microcrystals. The sample, very esthetic, is a Romanian classic.
Turt Mine, Turt, Negresti-Oas, Oas Mountains, Satu Mare Romania (2009)
Specimen size: 7 × 6.5 × 3.1 cm = 2.76” × 2.56” × 1.22”

Main crystal size: 3.5 × 3.2 cm = 1.38” × 1.26”

TML86AO4: Calcite with Pyrite

Very aerial and aesthetic growth of Calcite in which two growth phases coexist, a first, with rhombohedral crystals with very well defined shapes and a pale cream color, and a second that forms partial coatings with white, translucent, lenticular crystals with geometric zoning. On matrix, with small, very shiny Pyrite crystals.
Stan Trg (Stan Terg, Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District Kosovo (2000-2021)
Specimen size: 7.1 × 5 × 4.4 cm = 2.80” × 1.97” × 1.73”

TP27AD1: Calcite with Pyrite

A novelty at Tucson 2016. Scalenohedral Calcite crystals with very well defined faces and edges and with very well defined polycrystalline growth. The crystals, translucent, with a snowy white color and with a silky luster, are implanted on a matrix with Quartz and Pyrite.
San Diego Mine, Santa Bárbara, Municipio Santa Bárbara, Chihuahua Mexico (11/2015)
Specimen size: 9.8 × 7.8 × 5.2 cm = 3.86” × 3.07” × 2.05”

Main crystal size: 7.8 × 6.7 cm = 3.07” × 2.64”

MV37AJ4: Calcite with Pyrite

Group of Pyrite crystals with very well defined polycrystalline growths. They are partially coated by white, lenticular Calcite crystals and implanted on a matrix that is partially a large first generation rhombohedral Calcite crystal with a pale pink color.
Stan Trg (Stan Terg, Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District Kosovo (2015)
Specimen size: 9 × 9.8 × 5 cm = 3.54” × 3.86” × 1.97”

LC87AE5: Calcite with Pyrite

Double rosette-like growth of white lenticular Calcite crystals on matrix, formed by extremely flattened rhombohedra and with curved edges. A Romanian classic from a closed mine.
The sample is from the collection of Carles Millan (catalog #5464) and, previously, from the Minette collection (catalog #WW208), whose related labels and cards we’ll send to the buyer.
Turt Mine, Turt, Negresti-Oas, Oas Mountains, Satu Mare Romania
Specimen size: 9.4 × 6.2 × 4.2 cm = 3.70” × 2.44” × 1.65”

SM260TTD: Calcite with Pyrite

Large group of Calcite crystals with the very sharp forms of a prism, terminated by a flattened rhombohedron. They are translucent, and white with reddish inclusions of iron oxides in the lower part of the prism. The specimen comes from a fortuitous and limited find in the El Hammam area.
El Hammam, Ait Mimoune, Khémisset Province, Rabat-Salé-Kénitra Region Morocco
Specimen size: 9.4 × 7.9 × 6.7 cm = 3.70” × 3.11” × 2.64”

EL47AE4: Calcite with Pyrite

Aggregate of rhombohedral Calcite crystals completely coated by a thin continuous layer of grainy iridescent and very bright Pyrite.
Stan Trg (Stan Terg, Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District Kosovo (2000-2005)
Specimen size: 9.3 × 6.4 × 5.2 cm = 3.66” × 2.52” × 2.05”

Main crystal size: 3.7 × 2.3 cm = 1.46” × 0.91”

EXM97AP1: Calcite with Pyrite

Find of the year in 2022. Parallel growths of two phases of Calcite crystals, one of them with very well defined grey translucent crystals, with “windows” that allow an earlier phase, with crystals covered by a layer of very shiny iridescent microcrystalline Chalcopyrite, to show through. An interesting novelty.
Tonglüshan Mine, Edong, Daye, Huangshi Prefecture, Hubei Province China (06/2022)
Specimen size: 6.2 × 4.4 × 4.8 cm = 2.44” × 1.73” × 1.89”

TT89AE3: Calcite with Pyrite

Two generations of Calcite crystals, one of them in small white scalenohedral crystals and the other in two large, colorless, clear and very bright crystals with the faces of a dominant scalenohedron and terminal rhombohedron. They are on matrix, with cubic Pyrite crystals. A very elegant sample, very different from specimens previously seen from the locality.
Fengjiashan Mine, Edong, Daye, Huangshi Prefecture, Hubei Province China (2015)
Specimen size: 11.7 × 7.4 × 8.6 cm = 4.61” × 2.91” × 3.39”

Main crystal size: 7.6 × 5.1 cm = 2.99” × 2.01”

TBX89ASN1: Calcite with Pyrite

Flattened lenticular trigonal Calcite crystals, like umbrellas, in a matrix completely covered by a patina formed by a multitude of iridescent Pyrite crystals with dominant yellowish-ochre tones. A morphological curiosity and very aesthetic.
Daguangshan Mine, Edong, Daye, Huangshi Prefecture, Hubei Province China (2023)
Specimen size: 9.5 × 8.5 × 3.3 cm = 3.74” × 3.35” × 1.30”

EFR91AP1: Calcite with Pyrite

Find of the year in 2022. Parallel growths of two phases of Calcite crystals, one of them with very well defined grey translucent crystals, with “windows” that allow an earlier phase, in this case a very acute scalenohedral crystal covered by a very shiny iridescent microcrystalline Chalcopyrite layer, to show through. An interesting novelty.
This specimen has been photographed and published in the magazine ‘Le Règne Minéral’ number 168/2022, page 16
Tonglüshan Mine, Edong, Daye, Huangshi Prefecture, Hubei Province China (05/2022)
Specimen size: 8 × 7.4 × 5.6 cm = 3.15” × 2.91” × 2.20”

Main crystal size: 6.7 × 4.2 cm = 2.64” × 1.65”

MA93AK3: Calcite with Pyrite

Group of scalenohedral Calcite crystals, very elongated and sharp, extraordinarily lustrous, intense pink, associated with small Pyrite crystals.
The specimen comes from the collection of Miguel Salvador Robles of Madrid (lacks a label) and is from a locality from which very few quality specimens are known.
Nistru-Baita (Nistru Mine), Aurum, Maramures Romania (1983)
Specimen size: 10.7 × 8.1 × 6.2 cm = 4.21” × 3.19” × 2.44”

TG66AL5: Calcite with Pyrite

Very elongated parallel polycrystalline growths of lenticular Calcite crystals, of a more intense pink than usual in these specimens. On matrix, with groups of cubic Pyrite crystals. Altogether a beauty.
Pachapaqui mining district, Pachapaqui, Aquia District, Bolognesi Province, Ancash Department Peru
Specimen size: 15.4 × 14 × 7.6 cm = 6.06” × 5.51” × 2.99”

MA68Z8: Calcite with Pyrite

Aggregate of very sharp rhombohedral Calcite crystals with a second generation of lenticular crystals of the same mineral and druses of small Pyrite crystals that almost completely coat the rhombohedral faces. The sample is representative of the very varied mineralogical richness of Dalnegorsk.
Dalnegorsk, Dalnegorsk Urban District, Primorsky Krai Russia
Specimen size: 9.6 × 8.6 × 4.7 cm = 3.78” × 3.39” × 1.85”

AZ6N4: Calcite with Pyrite

Group of fine laminar crystals of Calcite of hexagonal shape, with color zoning and small recrystallizations of the same Calcite in some areas of the piece. The crystals are on a Quartz matrix with small Pyrite crystals.
El Hammam, Ait Mimoune, Khémisset Province, Rabat-Salé-Kénitra Region Morocco
Specimen size: 9.3 × 5.4 × 4.2 cm = 3.66” × 2.13” × 1.65”

Main crystal size: 2 × 1.8 cm = 0.79” × 0.71”

MM26W9: Calcite with Pyrite

A novelty at Munich 2012. Parallel aggregates of Calcite crystals with a wide pinacoidal face, a much flattened rhombohedron and a poorly developed prism that has very bright faces. This crystal habit exhibits the so called “poker chip” morphology. The Calcite is partially coated by growths of small cubic crystals of Pyrite.
El Hammam, Ait Mimoune, Khémisset Province, Rabat-Salé-Kénitra Region Morocco (07/2012)
Specimen size: 9.3 × 5.8 × 3.5 cm = 3.66” × 2.28” × 1.38”

SE69AB0: Calcite with Pyrite

Aggregate on matrix of Calcite crystals, very rich in faces, some of them doubly terminated, with some deep hollow terminations and with very acute and extraordinarily sharp scalenohedral phantom growths coated by a layer of dark and very visible Pyrite. As in so many specimens in this collection, the sample is of great quality for the locality.
Kjørholt, Brevik, Porsgrunn, Telemark Norway
Specimen size: 12.7 × 9 × 5.8 cm = 5.00” × 3.54” × 2.28”

Main crystal size: 6.3 × 4.2 cm = 2.48” × 1.65”

AB64AB9: Calcite with Pyrite and Galena

Translucent scalenohedral crystal with a yellow color, polycrystalline growths on the scalenohedral faces and a flat recrystallized base with slightly wavy surfaces, not foliated, and with a small rocky matrix.
Joplin Field, Tri-State District, Jasper County, Missouri USA
Specimen size: 15.3 × 9.4 × 5.8 cm = 6.02” × 3.70” × 2.28”

EB76AN2: Calcite with Pyrite and Hematite inclusions

Group of Calcite crystals with very sharp prisms, terminated by a flattened rhombohedron. Translucent, white and with reddish iron oxides inclusions in the lower part of the prism. The specimen comes from a fortuitous and limited find in the El Hammam area in 2008.
El Hammam, Ait Mimoune, Khémisset Province, Rabat-Salé-Kénitra Region Morocco
Specimen size: 6.3 × 6.2 × 3.5 cm = 2.48” × 2.44” × 1.38”

Main crystal size: 5.3 × 1.7 cm = 2.09” × 0.67”

TZ27AD5: Calcite with Pyrite and Sphalerite

A novelty at Tucson 2016. Twinned rhombohedral Calcite crystals with very well defined faces and edges, with surfaces covered by a later phase of drusy crystals of Calcite, and with a very pale pink color. They are on matrix, with Pyrite and Sphalerite. The sample is from a not yet widely divulged Peruvian mine.
Atalaya Mine, Huallanca District, Bolognesi Province, Ancash Department Peru (11/2015)
Specimen size: 10 × 9.7 × 6.5 cm = 3.94” × 3.82” × 2.56”

SM190ND: Calcite with Pyrite et Fluorite

Complex translucent and bright Calcite crystals on a group of yellow Fluorite crystals with coatings of small groups of globular Pyrite crystals. A curiosity, not from the classic Moscona mine but rather from the less well known Villabona Mines.
Villabona Mines, Barrio de la Estación, Villabona, Llanera, Comarca del Nora, Principality of Asturias (Asturias) Spain (2003)
Specimen size: 11 × 4.2 × 4 cm cm = 4.33” × 1.65” × 1.57”

Main crystal size: 3.4 × 3.1 cm cm = 1.34” × 1.22”

TBU64XXX: Calcite with Pyrite inclusions

Calcite crystal characteristic of this locality, well developed, with a rhombohedral habit and sharp faces and edges, translucent and with a soft yellowish tone. It presents numerous Pyrite inclusions distributed irregularly inside the crystal, generating a visual effect of dark points that contrast with the translucent Calcite. With good luster and balanced aesthetic. In this area of limestones of southwestern Ireland, the mineralization develops in a carbonate sedimentary context, where the circulation of calcium-rich fluids has allowed the precipitation of Calcite in cavities and small fractures, generating well-defined crystals and, occasionally, bright aggregates. This type of paragenesis is characteristic of low-temperature processes associated with the circulation of fluids in carbonate rocks.
Ballyegan Quarry, Ballyegan townland, Sneem area, County Kerry, Munster Province Ireland
Specimen size: 6.1 × 4.4 × 2.9 cm = 2.40” × 1.73” × 1.14”

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