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Mineral specimens search results for [ Acanthite ]Page bottom

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TY86AN2: Acanthite after Polybasite
Group of Acanthite pseudomorphs after large Polybasite crystals that have preserved the hexagonal morphology and the original skeletal growths
Fresnillo de González Echeverría (Fresnillo), Municipio Fresnillo, Zacatecas  Mexico
Specimen size: 5.1 × 4.5 × 2.7 cm = 2.01” × 1.77” × 1.06”
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TM47AJ3: Acanthite after Pyrargyrite
Very aerial group of Acanthite crystals after Pyrargyrite, with short-prismatic shape and coated by a last phase of Acanthite microcrystals.
The sample is from the Thomas P. Moore collection whose label we will send to the buyer.
Guanajuato, Municipio Guanajuato  Mexico
Specimen size: 2.8 × 1.6 × 1.4 cm = 1.10” × 0.63” × 0.55”

Main crystal size: 0.5 × 0.5 cm = 0.20” × 0.20”
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SV2440TXX: Acanthite after Silver
Aerial and arborescent growth of Silver crystals with the very marked cubic forms having been preserved, and that has been completely pseudomorphed by Acanthite. The specimen is a Moroccan classic for silver minerals, of which only few specimens are seen in the mineralogical market.
Imiter Mine, Jebel Saghro, Imiter District, Tinghir Province, Drâa-Tafilalet Region  Morocco
Specimen size: 7.1 × 3.6 × 2.9 cm = 2.80” × 1.42” × 1.14”
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PT37AJ5: Acanthite on Calcite
Group of cubo-octahedral Acanthite crystals with very well defined faces and edges and on a Calcite matrix. Well crystallized and well-shaped Acanthite crystals are a rarity at the Balcoll mine, better known for its magnificent samples of native Silver.
Balcoll Mine, Falset, Comarca Priorat, Tarragona, Catalonia / Catalunya  Spain
Specimen size: 3.7 × 2.5 × 2.2 cm = 1.46” × 0.98” × 0.87”

Main crystal size: 0.5 × 0.4 cm = 0.20” × 0.16”
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THE37AP4: Acanthite on Calcite
Acanthite crystals with very well developed crystal forms and very lustrous, on matrix. A fine, very old specimen from a classic Italian locality that was in the collection of General Robert Touchon, whose handwritten labels we will send to the buyer.
Monte Narba Mine, San Vito, Narba Mountain, Sud Sardegna Province, Sardinia/Sardegna  Italy
Specimen size: 5.1 × 3.7 × 1.2 cm = 2.01” × 1.46” × 0.47”
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CX64AM5: Acanthite with Calcite
Group of cubic crystals with curvatures on the edges and small remnants of a Calcite matrix. The specimen comes from the Carles Curto collection (number 1965.35), whose label and computer file we will send to the buyer.
Schneeberg District, Erzgebirgskreis, Saxony/Sachsen  Germany
Specimen size: 1.4 × 1.3 × 1.1 cm = 0.55” × 0.51” × 0.43”

Main crystal size: 1 × 1 cm = 0.39” × 0.39”
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MA66AL4: Acanthite with Calcite
Cubo-octahedral crystals of Acanthite, with sharp faces and edges, well isolated on matrix and with coatings of small Calcite crystals. Typical specimen from one of the great German classical localities.
Freiberg District, Erzgebirgskreis, Saxony/Sachsen  Germany
Specimen size: 5 × 3.9 × 3.1 cm = 1.97” × 1.54” × 1.22”
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TA66AF6: Acanthite with Calcite
Aggregate of cubo-octahedral Acanthite crystals on Calcite matrix. Some of the crystals are very sharp while others are strongly flattened or show some dissolution on their surfaces.
Cata Mine, Guanajuato, Municipio de Guanajuato  Mexico
Specimen size: 3.4 × 2.8 × 2.4 cm = 1.34” × 1.10” × 0.94”

Main crystal size: 2.2 × 1.6 cm = 0.87” × 0.63”
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CRB37CD1: Acanthite with Calcite
Descriptive text by Carles Curto: Cubic crystal with hopper faces, with small scalenohedral, doubly terminated Calcite crystals.
San Carlos Mine, La Luz, Municipio Guanajuato, Guanajuato  Mexico (+1986)
Specimen size: 1.7 × 1.2 × 1.0 cm = 0.67” × 0.47” × 0.39”
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JFD104AO2: Acanthite with Calcite
One of the first well-crystallized acanthites seen from Imiter. Although specimens with sharper crystals came out later, this Acanthite is not bad at all as it is well accompanied by groups of small pink Calcite rhombohedra.
Imiter Mine, Jebel Saghro, Imiter District, Tinghir Province, Drâa-Tafilalet Region  Morocco (2007)
Specimen size: 4.4 × 4 × 3.1  cm = 1.73” × 1.57” × 1.22”

Main crystal size: 2.4 × 1.1 cm = 0.94” × 0.43”
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TX36AL6: Acanthite with Calcite
Very distinct Acanthite crystals, with well defined faces and edges, good luster, on a matrix of white Calcite crystals. An European classic.
Freiberg District, Erzgebirgskreis, Saxony/Sachsen  Germany
Specimen size: 4 × 2.4 × 2.2 cm = 1.57” × 0.94” × 0.87”
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TB92J3: Acanthite with Calcite
A magnificent sample, not only for the crystal size and its well defined forms. It is from a classic locality well known for Silver but where Acanthite was (and is) very uncommon.
It is from Earl L. Calvert collection and we’ll send the label with the specimen, to the buyer.
Kongsberg mining district, Kongsberg, Buskerud County  Norway
Specimen size: 3.9 × 3.4 × 1.5 cm = 1.54” × 1.34” × 0.59”

Main crystal size: 1.8 × 0.9 cm = 0.71” × 0.35”
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TV69Z7: Acanthite with Calcite
Aggregate of very sharp cubic Acanthite crystals that coexist with skeletal and hooked forms of the same mineral. The aggregate, on a Calcite matrix, shows a magnificent contrast between the snowy white Calcite and the luster and relief of the very aerial Acanthite.
San Juan de Rayas Mine, Guanajuato, Municipio Guanajuato  Mexico (03/2013)
Specimen size: 8.7 × 6.1 × 3.4 cm = 3.43” × 2.40” × 1.34”
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AP50T7: Acanthite with Calcite
Centered and parallel growths of very aerial and elongated crystals. They have well defined faces and edges and hollow growths, with a matrix of Calcite crystals. Great sample from the Silvane collection, with a wide pedigree reflected on several labels, one of them from the prestigious Bill and Carol Smith collection, which we’ll send to the buyer.
San Luis shaft, level 480, Fresnillo de González Echeverría (Fresnillo), Municipio Fresnillo, Zacatecas  Mexico
Specimen size: 6 × 4.3 × 2.2 cm = 2.36” × 1.69” × 0.87”

Main crystal size: 1 × 0.2 cm = 0.39” × 0.08”
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TA48AH1: Acanthite with Chalcopyrite
A novelty at Tucson 2018. Very aerial growth of very sharp octahedral Acanthite crystals with epigenic Chalcopyrite and on matrix with Quartz. The sample has been analyzed and we’ll send a copy of its analysis to the buyer.
San José Mine, San José del Progreso, Municipìo San José del Progreso, Ocotlán District, Valles Centrales Region, Oaxaca  Mexico (01/2018)
Specimen size: 4.4 × 2.5 × 2.9 cm = 1.73” × 0.98” × 1.14”
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ER47AJ1: Acanthite with Dolomite
Very sharp and very bright Acanthite crystals that are implanted on a matrix coated by rhombohedral Dolomite crystals between yellow and pale brown in color. An excellent German classic that was in the Moutet collection, at Marseille. With the sample we will send to the buyer an old label from the prestigious Deyrolle dealers, Paris.
Freiberg District, Erzgebirgskreis, Saxony/Sachsen  Germany
Specimen size: 4.2 × 3.6 × 2.5 cm = 1.65” × 1.42” × 0.98”

Main crystal size: 1.2 × 0.8 cm = 0.47” × 0.31”
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CR46AM5: Acanthite with Dolomite and Pyrite
Cubo-octahedral Acanthite crystals, one of them clearly dominant, lustrous and on a Pyrite matrix with white rhombohedral Dolomite crystals. This piece, a German classic from the type locality for the species, comes from the Carles Curto collection (number 1968.14), whose label and computer file we will send to the buyer.
Himmelsfürst Mine, Brand-Erbisdorf, Erzgebirgskreis District, Saxony/Sachsen  Germany
Specimen size: 1.8 × 1.2 × 0.9 cm = 0.71” × 0.47” × 0.35”
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TV47AH6: Acanthite with Proustite
Isolated cubic crystal, something that is very uncommon with Acanthite, deformed but with very well defined faces and edges. It is bright and on a Calcite and Quartz matrix with massive Proustite. The sample is from a historic mine, very well known for Proustite crystals but where crystallized Acanthite is rare. We’ll send to the buyer the original label and also a copy of the computer card with the full collection catalog text.
Dolores Mine, Chañarcillo, Copiapó Province, Atacama Region  Chile
Specimen size: 5 × 4.5 × 2.2 cm = 1.97” × 1.77” × 0.87”

Main crystal size: 1.2 × 1.2 cm = 0.47” × 0.47”
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ML36G5: Acanthite with Proustite
A group of octahedral crystals, very well shaped, aerial and, which is quite rare on the samples from Imiter, they are lustrous. All over the piece there are a lot of small red Proustite crystals.
Imiter Mine, Jebel Saghro, Imiter District, Tinghir Province, Drâa-Tafilalet Region  Morocco (09/2005)
Specimen size: 2.5 × 1.1 × 1.4 cm = 0.98” × 0.43” × 0.55”
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JFD145AO6: Acanthite with Pyrite
Very large, very lustrous, this is an Acanthite crystal that stands out for its size and its polysynthetic growths. From the good years for acanthites in Imiter, years that have not returned since there are currently very few good specimens of Acanthite coming from there.
Imiter Mine, Jebel Saghro, Imiter District, Tinghir Province, Drâa-Tafilalet Region  Morocco (12/2007)
Specimen size: 8.1 × 2.6 × 1.1 cm = 3.19” × 1.02” × 0.43”
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EK47L1: Acanthite with Pyrite
Complex crystal, well defined and elongated, with multiple faces, some of them curved. Really good size, on an Acanthite base with small cubic Pyrite crystals.
Uchucchacua Mine, work 012, level 400, Oyón Province, Lima Department  Peru (01/2007)
Specimen size: 4.2 × 1.3 × 1 cm = 1.65” × 0.51” × 0.39”
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EF89L9: Acanthite with Pyrite and Calcite
A novelty from the Sainte-Marie-aux-Mines Mineral Show. Uniaxial and parallel growth of octahedral Acanthite pseudomorphous after Argentite crystals. With very well defined faces and edges, these specimens have an exceptional luster, much better than other Acanthite specimens from Imiter we have seen before. On the back side of the sample one can see small Pyrite and Calcite crystals.
Imiter Mine, Jebel Saghro, Imiter District, Tinghir Province, Drâa-Tafilalet Region  Morocco (12/2007)
Specimen size: 4 × 4 × 2.5 cm = 1.57” × 1.57” × 0.98”

Main crystal size: 2.5 × 2 cm = 0.98” × 0.79”
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TF86AH5: Acanthite with Quartz and Pyrite
Acanthite crystals with the dominant forms of the cube some of whose faces have very deep hollowed growths. One of the more dominant and very aerial crystals is extraordinarily elongated. They are on matrix with Quartz and small and very bright Pyrite crystals.
The sample, a great classic, is from the David and Emily Stoudt collection of Houston, Texas, and previously in the Kenneth C. Raba and Arson collections in New York. We’ll send the three labels to the buyer.
San Juan de Rayas Mine, Guanajuato, Municipio Guanajuato  Mexico
Specimen size: 6.5 × 3.2 × 3.5 cm = 2.56” × 1.26” × 1.38”
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JFD218AP7: Acanthite with Siderite
Well balanced, harmonious, and with elongated Siderite crystals to provide some contrast. This Acanthite has several virtues, being, unlike many others from Imiter, lustrous and not rough surfaced at all.
Imiter Mine, Jebel Saghro, Imiter District, Tinghir Province, Drâa-Tafilalet Region  Morocco (09/2005)
Specimen size: 2.4 × 1.9 × 1.3 cm = 0.94” × 0.75” × 0.51”

Main crystal size: 0.9 × 0.5 cm = 0.35” × 0.20”
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TX89AN0: Acanthite with Siderite and Proustite
Acanthite crystals on matrix, very sharp, with coatings in some areas of yellow Siderite. Proustite is also present and in general the specimen is notable both for the definition of the Acanthite crystals and for the fact that they are on a rock matrix, which is very rare in this deposit.
Imiter Mine, Jebel Saghro, Imiter District, Tinghir Province, Drâa-Tafilalet Region  Morocco (2020)
Specimen size: 14.2 × 10.3 × 5 cm = 5.59” × 4.06” × 1.97”

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