Mineral specimens search results

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Bundled aggregates of very acute white crystals of Aragonite, bright and implanted on a matrix of native Sulfur. A Sicilian classic.
Agrigento (Girgenti) Province, Sicily Italy (±1970)
Specimen size: 6.8 × 5.5 × 4 cm = 2.68” × 2.17” × 1.57”

SV220NNB: Aragonite with Sulphur

Floater aggregate formed by Aragonite crystals with hexagonal outlines and short whitish grey prism faces. On matrix, accompanied by a crystalline mass of Sulfur with strong color contrast. A classic of Italian sulfur mining.
Cozzo Disi Mine, Casteltermini, Agrigento (Girgenti) Province, Sicily Italy
Specimen size: 12.2 × 8.7 × 4.4 cm = 4.80” × 3.43” × 1.73”

Main crystal size: 1.6 × 1.2 cm = 0.63” × 0.47”

EFG46AP5: Ardennite-(As) with Hematite, Rutile and Quartz

Of the best quality for what is known in the species, with deformed and flattened crystals of Ardennite-(As), in some areas with a fibrous appearance, lustrous, bright orange, in a matrix of Quartz with small lamellar Hematite crystals and acicular Rutile crystals. This specimen comes from the type locality for the species.
Salmchâteau, Vielsalm, Bastogne, Luxembourg Province, Wallonia Region Belgium
Specimen size: 7.1 × 6.9 × 3 cm = 2.80” × 2.72” × 1.18”

EC90AH4: Arfvedsonite with Aegirine and Orthoclase

Very well defined Arfvedsonite crystals with acute polycrystalline terminations. They are bright with a very deep green color and are on a matrix of Orthoclase crystals that very well defined Baveno twins, and black prismatic Aegirine crystals around the base of the Arfvedsonite crystal.
Mount Malosa, Zomba District Malawi (2014)
Specimen size: 14 × 10.5 × 6.8 cm = 5.51” × 4.13” × 2.68”

Main crystal size: 9 × 1.2 cm = 3.54” × 0.47”

MB70M8: Arfvedsonite with Albite

Crystal has multiple termination and it is partially fibrous. It looks very well defined, very aerial, and has excellent luster. It stands on a matrix of small crystals of Albite.
Mount Malosa, Zomba District Malawi (2008)
Specimen size: 8 × 5 × 3.9 cm = 3.15” × 1.97” × 1.54”

TP46AJ0: Arfvedsonite with Feldspar

Very acute, prismatic Arfvedsonite crystals that are very bright, have fine vertical striations, a deep black color and are on a Feldspar matrix. The sample has been analyzed and we will send a copy of the analysis to the buyer.
Jebel Ewargizen, Imilchil, Anti-Atlas, Er Rachidia Province, Drâa-Tafilalet Region Morocco (±2012)
Specimen size: 8.5 × 5.6 × 5.1 cm = 3.35” × 2.20” × 2.01”

Main crystal size: 2 × 0.2 cm = 0.79” × 0.08”

MB16T6: Arfvedsonite with Feldspar

A novelty at Expominer (Barcelona) 2011 and also a novelty for Imilchil. Groups of two crystals of Arfvedsonite with very well defined faces and edges and good terminations, grayish-green color and in Feldspar matrix. We’ll send a copy of the analysis of the Arfvedsonite to the buyer.
Jebel Ewargizen, Imilchil, Anti-Atlas, Er Rachidia Province, Drâa-Tafilalet Region Morocco (2011)
Specimen size: 7.8 × 5.5 × 4.8 cm = 3.07” × 2.17” × 1.89”

JFD193AP3: Arfvedsonite with Microcline

With its brilliant luster and very sharp crystals, from among the arfvedsonites that came out for a period of time in the Imilchil area, this was one of the ones I chose, both for its sharpness as well as for its general quality. This specific specimen has been analyzed, so it is quite certain that it is Arfvedsonite.
Imilchil area, Anti-Atlas, Er Rachidia Province, Drâa-Tafilalet Region Morocco (01/2012)
Specimen size: 6.6 × 4.4 × 3.1 cm = 2.60” × 1.73” × 1.22”

Main crystal size: 6 × 2 cm = 2.36” × 0.79”

MG14AM7: Arfvedsonite with Orthoclase

Very sharp Arfvedsonite crystals with excellent terminations, with a silky luster, and black color with green reflections, on a matrix of Orthoclase crystals.
We will ship the specimen in its original Perky box from the Robert J. (Bob) Noble collection, which also contains the label.
Mount Malosa, Zomba District Malawi
Specimen size: 3.6 × 2.3 × 1.1 cm = 1.42” × 0.91” × 0.43”

CB46AJ7: Arfvedsonite with Orthoclase

Very sharp Arfvedsonite crystal with good terminal faces and with parallel growths. It is very aerial and implanted on a matrix of twinned Orthoclase crystals. The sample is one of the first well-known examples found of this species at Malawi, at the beginning of the XXI century.
Mount Malosa, Zomba District Malawi
Specimen size: 4.2 × 4.2 × 4.1 cm = 1.65” × 1.65” × 1.61”

Main crystal size: 3 × 1.9 cm = 1.18” × 0.75”

LQ86AL0: Arfvedsonite with Orthoclase

Two crystals, one of them partially doubly terminated, with very well defined faces and edges, with good terminations, on a matrix of white Orthoclase crystals. The specimen has been analyzed and we will send a copy of the analysis to the buyer.
Mount Malosa, Zomba District Malawi (07/2007)
Specimen size: 6.1 × 3.6 × 3.8 cm = 2.40” × 1.42” × 1.50”

MA6T7: Arfvedsonite with smoky Quartz

A novelty at Expominer (Barcelona) 2011 and also a novelty for Imilchil. Doubly terminated crystal of Arfvedsonite with its upper termination polycrystalline and the lower one with simple faces. On matrix, with Quartz and Feldspar.
The specimen has been reviewed, photographed and published as a new discovery in the magazine ‘Mineral Up’ on page 48 in number 2012/1
Jebel Ewargizen, Imilchil, Anti-Atlas, Er Rachidia Province, Drâa-Tafilalet Region Morocco (2011)
Specimen size: 8.8 × 3.8 × 2.5 cm = 3.46” × 1.50” × 0.98”

Main crystal size: 7.5 × 3.1 cm = 2.95” × 1.22”

EM66Y2: Arfvedsonite with Stilbite-Ca

A novelty at St. Marie 2013 (because of the association with Stilbite-Ca). A rare association of Arfvedsonite with Stilbite-Ca. The crystals have very well defined faces and edges and some of them are doubly terminated. They are on matrix with bowtie-like Stilbite-Ca aggregates and small Fluorapatite crystals.
Imilchil area, Anti-Atlas, Er Rachidia Province, Drâa-Tafilalet Region Morocco (04/2013)
Specimen size: 8.2 × 8 × 6 cm = 3.23” × 3.15” × 2.36”

MR14T6: Arfvedsonite with Zircon and Feldspar

A novelty at Expominer (Barcelona) 2011 and also a novelty for Imilchil. Crystals of Arfvedsonite with very well defined faces and edges, grayish-green color, in Feldspar matrix and small doubly terminated crystals of Zircón. We’ll send a copy of the analysis of the Arfvedsonite to the buyer.
The Zircon has been reviewed, photographed and published as a new discovery in the magazine ‘Mineral Up’ on page 48 in number 2012/1
Jebel Ewargizen, Imilchil, Anti-Atlas, Er Rachidia Province, Drâa-Tafilalet Region Morocco (2011)
Specimen size: 6.7 × 4.1 × 4.2 cm = 2.64” × 1.61” × 1.65”

Main crystal size: 3.1 × 3.3 cm = 1.22” × 1.30”

NF89AG8: Arsenic

A little-known mine, La Paloma, in the district of Quiruvilca, Peru, gives some curious specimens like this botryoidal Arsenic, with a certain beauty despite the modest aesthetics that this species usually has. Also on matrix, visible since it is white.
La Paloma Mine, Quiruvilca District, Santiago de Chuco Province, La Libertad Department Peru (2008)
Specimen size: 12.3 × 9.6 × 4.8 cm = 4.84” × 3.78” × 1.89”

ME47AF3: Arsenic-bearing Vanadinite (variety endlichite)

Irregular aggregate of greatly elongated crystals with a spindle-like shape, most of them doubly terminated with very acute pyramidal terminations. The crystals are brighter than usual for Los Lamentos and have a dark greenish-brown color. These Vanadinites, whose arsenic content is quite higher than usual, are well known as the endlichite variety.
Erupción Mine (Ahumada Mine), Los Lamentos Mountain Range, Municipio Ahumada, Chihuahua Mexico
Specimen size: 4.9 × 3.6 × 3.1 cm = 1.93” × 1.42” × 1.22”

Main crystal size: 0.6 × 0.2 cm = 0.24” × 0.08”

TVX27AP5: Arseniosiderite

Botryoidal growths with microcrystals of yellowish brown Arseniosiderite with a fibrous appearance, on matrix. An oddity from the type locality for this species.
Romanèche-Thorins, Distrito Mâcon, Saône-et-Loire, Bourgogne-Franche-Comté France
Specimen size: 6.4 × 4.9 × 1.4 cm = 2.52” × 1.93” × 0.55”

TC60NT: Arsenopyrite

Parallel growths of equant Arsenopyrite crystals with polycrystalline growths and deep grooves. Lustrous, on a matrix of the same species. An English classic, rare.
Carrock Mine, Carrock Fell, Caldbeck Fells, Allerdale, former Cumberland, Cumbria England / United Kingdom
Specimen size: 4.2 × 3.9 × 4.5 cm = 1.65” × 1.54” × 1.77”

Main crystal size: 1.4 × 1.1 cm = 0.55” × 0.43”

TR14AN1: Arsenopyrite

Group of Arsenopyrite crystals with sharp crystal forms, lustrous, on matrix. We will ship the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label, which shows that it was previously in the Melanson collection.
San Antonio Mine (San Antonio el Grande Mine), East Camp, Santa Eulalia District, Municipio Aquiles Serdán, Chihuahua Mexico
Specimen size: 2.7 × 1.8 × 1.3 cm = 1.06” × 0.71” × 0.51”

CM76AI3: Arsenopyrite

Floater druse of sharp bright crystals with simple forms and excellent terminal faces. The samples of Arsenopyrite from Concepción del Oro, relatively common some time ago, are currently very rare.
Bonanza Mine, Concepción del Oro, Municipio Concepción del Oro, Zacatecas Mexico
Specimen size: 5.8 × 5.1 × 3.7 cm = 2.28” × 2.01” × 1.46”

Main crystal size: 1.2 × 0.7 cm = 0.47” × 0.28”

NA96E6: Arsenopyrite

Neat Arsenopyrite with a more golden color than the typical ones. The crystal form is also very interesting. It is a floater, very shiny, and has small crystals of white Dolomite on the rear side. Very pleasant.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (2004)
Specimen size: 11 × 6.5 × 3 cm = 4.33” × 2.56” × 1.18”

FC96: Arsenopyrite

Huge crystals of Arsenopyrite with their old classic Panasqueira crystal form. Good luster as well. Recrystallized at the base and complete in all sides.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal
Specimen size: 7.8 × 6 × 4.9 cm = 3.07” × 2.36” × 1.93”

TK64C6: Arsenopyrite

Nice combination of the elongated Arsenopyrite crystals well placed on the matrix and partially covered by nice lenticular Siderite. Panasqueira Mine.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (1970)
Specimen size: 6.2 × 4 × 1.4 cm = 2.44” × 1.57” × 0.55”

RZ46V1: Arsenopyrite

Parallel growths of short prismatic crystals of Arsenopyrite. They are very bright and are slightly coated by small crystals of Siderite and Muscovite.
The sample is with a card from the Folch collection (number 9698) that we'll send to the buyer.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (±1966)
Specimen size: 8.5 × 7 × 4.1 cm = 3.35” × 2.76” × 1.61”

Main crystal size: 3 × 2.3 cm = 1.18” × 0.91”

JFD162AO8: Arsenopyrite (doubly terminated) with Muscovite and Calcite-Dolomite

Panasqueira arsenopyrites are said to be the best in the world, and we could spend hours discussing that, but this piece with its Muscovite base and the white carbonates behind it, is a great example of why one could come to that conclusion.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (1985)
Specimen size: 4.8 × 4 × 3.4 cm = 1.89” × 1.57” × 1.34”

12722 results found.

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