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Siderite with Pyrite.
TE69AG9: Siderite with Pyrite
Growths of small Siderite crystals outlining the rhombohedral forms of much larger platy Siderite crystals, a product of crystallization of a second generation upon a first generation. Typical of samples from the extinct Turt mine.
Turt Mine, Turt, Negresti-Oas, Oas Mountains, Satu Mare  Romania
Specimen size: 14.3 × 9 × 4.8 cm = 5.63” × 3.54” × 1.89”

Price: €440 / US$506 / ¥57630 / AUD$680
Siderite with Pyrite and Quartz.
NBE26AN4: Siderite with Pyrite and Quartz
Aerial group of Siderite crystals with a lenticular habit, very sharp crystal forms, a silky luster and a light brown color. They are partially covered by small cubic Pyrite crystals and are on a matrix of Quartz crystals.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (1998)
Specimen size: 9.6 × 6.4 × 3.2 cm = 3.78” × 2.52” × 1.26”

Main crystal size: 4.2 × 1.4 cm = 1.65” × 0.55”

Price: €150 / US$172 / ¥19640 / AUD$230
Siderite with Pyrite, Quartz and Muscovite.
TR49AJ5: Siderite with Pyrite, Quartz and Muscovite
Great group of Siderite crystals with the predominant forms of the short prism and a flattened rhombohedron. They have a brown color and are partially coated by small Pyrite crystals and are on matrix with crystals of Quartz, leafy Muscovite aggregates, Arsenopyrite and cubic Pyrite.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal
Specimen size: 12.3 × 11.6 × 8.5 cm = 4.84” × 4.57” × 3.35”

Price: €440 / US$506 / ¥57630 / AUD$680
Siderite with Quartz.
NW27AM8: Siderite with Quartz
Group of transparent Quartz crystals partially covered by tabular Siderite crystals, with a light cream color and high quality.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (1999)
Specimen size: 10.5 × 6.8 × 4.6 cm = 4.13” × 2.68” × 1.81”

Main crystal size: 10.5 × 3.4 cm = 4.13” × 1.34”

Price: €210 / US$241 / ¥27500 / AUD$320
Siderite with Quartz.
NB89AL3: Siderite with Quartz
Powerful group of Quartz crystals displaying a dipyramidal habit, as the prism is mostly absent, covered by an epigenetic growth of small Siderite crystals. The size of the Quartz crystals and the quality of the piece is much higher than what is usually found in this deposit.
The specimen comes from the Miguel David Martínez collection, whose label we will send to the buyer along with a small poster that certifies that this specimen was displayed in the “Minerals of the Mediterranian 2014” exhibition at the 2014 Expominer Show.
San Valentín open pit, Sancti Espíritu, Sierra Minera de Cartagena-La Unión, La Unión, Comarca Campo de Cartagena, Murcia, Region of Murcia  Spain (±1990)
Specimen size: 14.7 × 9.3 × 5.5 cm = 5.79” × 3.66” × 2.17”

Price: €460 / US$529 / ¥60250 / AUD$710
Siderite with Quartz.
LM94AK4: Siderite with Quartz
Group of flattened lenticular crystals of Siderite, translucent, bright and of uniform brown color, on matrix, with small water-clear crystals of Quartz. An excellent French classic from the Philippe Morelon collection (No. 362), whose label we will send to the buyer.
La Mure coal mines, La Mure, Matheysine-Trièves, Grenoble, Isère, Auvergne-Rhône-Alpes  France (±1994)
Specimen size: 18.4 × 7.2 × 4.4 cm = 7.24” × 2.83” × 1.73”

Main crystal size: 3.5 × 2.4 cm = 1.38” × 0.94”

Price: €860 / US$990 / ¥112640 / AUD$1340
Siderite with Quartz.
N14CK9: Siderite with Quartz
Barrel-shaped crystals of Siderite on a group of Quartz crystals and small crystals of Arsenopyrite and Pyrite.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (1997)
Specimen size: 7.2 × 6.4 × 5.2 cm = 2.83” × 2.52” × 2.05”

Price: €100 / US$115 / ¥13090 / AUD$150
Siderite with Quartz.
NC64G8: Siderite with Quartz
An encrustation of little crystals of Siderite covers the rhombohedral terminal faces of a Quartz prism. Two of the crystals have a big size enhancing from the group.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (2004)
Specimen size: 11.1 × 6.2 × 5 cm = 4.37” × 2.44” × 1.97”

Price: €110 / US$126 / ¥14400 / AUD$170
Siderite with Quartz and Arsenopyrite.
NY13AB1: Siderite with Quartz and Arsenopyrite
Aggregate of prismatic Siderite crystals with pinacoidal terminations. They have a very uniform dark brown color and silky luster due to microcrystalline surfaces on the prisms. The Siderite is with a small matrix of Quartz and Arsenopyrite and has cubic Pyrite microcrystals on its faces. Unlike most Panasqueira Siderite, this sample lacks the typically dull creamy second generation, which makes it very showy.
Minas da Panasqueira, level 0, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (11/2014)
Specimen size: 4.3 × 3.3 × 2 cm = 1.69” × 1.30” × 0.79”

Price: €90 / US$103 / ¥11780 / AUD$140
Siderite with Quartz and inclusions.
E12EK9: Siderite with Quartz and inclusions
Flattened rhombohedral Siderite crystal group, covering Quartz and small crystals of Arsenopyrite and Pyrite some of them included on the Quartz.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (1997)
Specimen size: 11.8 × 8.6 × 5.5 cm = 4.65” × 3.39” × 2.17”

Main crystal size: 1.7 × 1.6 cm = 0.67” × 0.63”

Price: €125 / US$143 / ¥16370 / AUD$190
Siderite with Quartz, Chalcopyrite and Muscovite.
NC76AB5: Siderite with Quartz, Chalcopyrite and Muscovite
Aggregate of lenticular Siderite crystals, one of them clearly dominant, with very well defined faces and edges and on a crystalline Quartz matrix with leafy Muscovite aggregates and a very well defined Chalcopyrite crystal.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (2004)
Specimen size: 11.4 × 5.5 × 3.2 cm = 4.49” × 2.17” × 1.26”

Price: €150 / US$172 / ¥19640 / AUD$230
Silver.
9TZ89Q0: Silver
A scultural growth, very aerial and esthetic, of microcrystals with skeletal forms, on matrix. The piece is from an old find in Imiter, probably around the decade of the 90’s and unusual as the habitual has a crystalline aspect. A Silver mine with epithermal origin.
Imiter Mine, Jebel Saghro, Imiter District, Tinghir Province, Drâa-Tafilalet Region  Morocco (±1990)
Specimen size: 6.8 × 5.5 × 2.9 cm = 2.68”

Main crystal size: 3.7 × 2.2 cm = 1.46”

Price: €320 / US$368 / ¥41910 / AUD$490
Silver.
MG74AF0: Silver
A wiry growth of strongly elongated crystals with the very well defined spinel law twin. An excellent European classic.
Kongsberg mining District, Kongsberg, Buskerud  Norway
Specimen size: 5.9 × 3 × 1 cm = 2.32” × 1.18” × 0.39”

Price: €940 / US$1082 / ¥123120 / AUD$1465
Silver.
TP49X2: Silver
Fissure plate of micro-crystals on matrix. The sample is from an old find at Imiter, probably around the 1990'ts. Its luster and fresh aspect suggest that it has no mercury and it is native Silver and not the variety kongsbergite, very common at this locality.
Imiter Mine, Jebel Saghro, Imiter District, Tinghir Province, Drâa-Tafilalet Region  Morocco (±1990)
Specimen size: 9.6 × 3.9 × 5.2 cm = 3.78” × 1.54” × 2.05”

Price: €440 / US$506 / ¥57630 / AUD$680
Silver after Dyscrasite.
EB68AL0: Silver after Dyscrasite
Silver as fan-like pseudomorphs after very aerial and flattened crystals of Dyscrasite, in Calcite matrix.
Uranium Mine number 21 (shaft number 21), Háje, Příbram, Central Bohemia Region, Bohemia  Czech Republic
Specimen size: 6.2 × 4.2 × 3.8 cm = 2.44” × 1.65” × 1.50”

Price: €340 / US$391 / ¥44530 / AUD$530
Silver on Arsenic.
TG88AF4: Silver on Arsenic
Dendritic growths of strongly elongated native Silver twinned crystals that conserve very fresh surfaces contrasting with the black Arsenic matrix.
The sample is from a classic German locality and it is from the Vallecillo collection, from Madrid.
Pöhla-Tellerhäuser Mine, Pöhla, Schwarzenberg District, Erzgebirgskreis, Saxony/Sachsen  Germany
Specimen size: 5.7 × 3.9 × 4.2 cm = 2.24” × 1.54” × 1.65”

Price: €360 / US$414 / ¥47150 / AUD$560
Silver on Digenite.
SM190NC: Silver on Digenite
Silver lamellar and hackly growths, on matrix, with granular Digenite. A great rarity, Silver is not a common species among the long list of species from the prolific Tsumeb mine.
Tsumeb Mine, Tsumeb, Otjikoto Region  Namibia
Specimen size: 2.9 × 2.1 × 1.1 cm cm = 1.14” × 0.83” × 0.43”

Price: €190 / US$218 / ¥24880 / AUD$290
Silver with Acanthite and Calcite.
EV87AL6: Silver with Acanthite and Calcite
Lamellar and hackly growths of Silver with good luster, on a Calcite matrix, with aggregates of deformed Acanthite crystals, of grayish tones and shiny. The Calcite is fluorescent under both longwave and shortwave UV light.
Imiter District, Tinghir Province, Drâa-Tafilalet Region  Morocco (2019)
Specimen size: 4.8 × 4.4 × 4.4 cm = 1.89” × 1.73” × 1.73”

Main crystal size: 1.5 × 0.4 cm = 0.59” × 0.16”

Price: €280 / US$322 / ¥36670 / AUD$430
Silver with Acanthite and Calcite.
PD89AM7: Silver with Acanthite and Calcite
Dendritic growths of very elongated Silver crystals, well defined, bright, and partially covered by groups and small isolated crystals of darker Acanthite, on a massive Calcite matrix. The best possible quality for the locality.
Balcoll Mine, Falset, Comarca Priorat, Tarragona, Catalonia  Spain (11/2004)
Specimen size: 5.2 × 3.7 × 5.2 cm = 2.05” × 1.46” × 2.05”

Price: €480 / US$552 / ¥62870 / AUD$740
Silver with Acanthite and Calcite.
PM96AJ5: Silver with Acanthite and Calcite
The sample on a massive Calcite matrix is uncommonly large. It has dendritic growths of very well defined elongated and bright crystals of native Silver with small crystals and aggregates of Acanthite.
Balcoll Mine, Falset, Comarca Priorat, Tarragona, Catalonia  Spain (11/2004)
Specimen size: 15.2 × 12.6 × 4.7 cm = 5.98” × 4.96” × 1.85”

Price: €1900 / US$2188 / ¥248860 / AUD$2960
Silver with Actinolite.
EB89Y2: Silver with Actinolite
From an exceptional find in 2010 that provided excellent samples of Silver with Actinolite. In this case it is an aggregate of thick and elongated Silver crystals with very well defined faces and edges that are on a matrix of fibrous Actinolite. The Actinolite has been analyzed and we’ll send a copy of the analysis to the buyer.
Bouismas Mine, Agdz, Bou Azzer mining district, Zagora Province, Drâa-Tafilalet Region  Morocco (2010)
Specimen size: 4.7 × 3.1 × 2.3 cm = 1.85” × 1.22” × 0.91”

Price: €490 / US$564 / ¥64180 / AUD$760
Silver with Actinolite.
ED51Y2: Silver with Actinolite
From an exceptional find in 2010 that provided excellent samples of Silver with Actinolite. In this case with an aggregate of thick and elongated Silver crystals with very well defined faces and edges and on a matrix of fibrous Actinolite. The Actinolite has been analyzed and we’ll send a copy of the analysis to the buyer.
This specimen was published on the Mineralogical Record´s web page, in the ‘What’s New in the Mineral World?’ section, report #35, August 14, 2013 edition.
Bouismas Mine, Agdz, Bou Azzer mining district, Zagora Province, Drâa-Tafilalet Region  Morocco (2010)
Specimen size: 5.4 × 4.4 × 2.5 cm = 2.13” × 1.73” × 0.98”

Main crystal size: 1 × 0.4 cm = 0.39” × 0.16”

Price: €640 / US$737 / ¥83820 / AUD$990
Silver with amorphous hydrated (Si-Mn).
AA63P9: Silver with amorphous hydrated (Si-Mn)
Wire growths of very much elongated crystals that have a good luster and are on matrix.
Uchucchacua Mine, Oyón Province, Lima Department  Peru (01/2001)
Specimen size: 4.2 × 4 × 4.4 cm = 1.65” × 1.57” × 1.73”

Price: €650 / US$748 / ¥85130 / AUD$1010
Silver with Calcite.
TE67AN1: Silver with Calcite
A novelty post-Easter 2021. Isolated cubic Silver groups and crystals with extraordinarily well defined faces and edges, very bright and on a rock matrix with Calcite, which has been acidified.
Aït Ahmane, Agdz, Bou Azzer mining district, Zagora Province, Drâa-Tafilalet Region  Morocco (12/2020)
Specimen size: 2.5 × 2.1 × 1.3 cm = 0.98” × 0.83” × 0.51”

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

Price: €260 / US$299 / ¥34050 / AUD$400
Silver with Calcite.
TAB10AN4: Silver with Calcite
New discovery post-Easter 2021: Isolated cubic Silver crystals and groups, with extraordinarily well defined and very lustrous faces and edges, found on a rock matrix with Calcite that has been acid-etched.
Aït Ahmane, Agdz, Bou Azzer mining district, Zagora Province, Drâa-Tafilalet Region  Morocco (12/2020)
Specimen size: 2.2 × 2 × 1.1 cm = 0.87” × 0.79” × 0.43”

Price: €490 / US$564 / ¥64180 / AUD$760

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