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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$102 / ¥13620 / AUD$140
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$112 / ¥14980 / AUD$160
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$92 / ¥12250 / AUD$130

TC280NCG: Siderite with Quartz and Calcite
Siderite crystal with a lenticular shape, with bright luster and light brown color, attached to a Quartz crystal and covered by small Calcite crystals.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (±2004)
Specimen size: 8 × 4.7 × 4.6 cm = 3.15” × 1.85” × 1.81”

Main crystal size: 4.7 × 4.3 cm = 1.85” × 1.69”

Price: €80 / US$81 / ¥10890 / AUD$110
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”

Price: €125 / US$127 / ¥17020 / AUD$180
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”

Main crystal size: 5.6 × 4.6 cm = 2.20” × 1.81”

Price: €150 / US$153 / ¥20430 / AUD$220
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”

Price: €320 / US$327 / ¥43590 / AUD$470
Silver.
CTB48AO0: Silver
Dendritic growth of extremely elongated Silver crystals, with good terminations and, as a whole, a very attractive aesthetic, as is often the case with pieces from this deposit. An old Australian classic of excellent quality.
Endeavor Mine (Elura Mine), Cobar, Robinson County, New South Wales  Australia
Specimen size: 6.2 × 4.7 × 0.8 cm = 2.44” × 1.85” × 0.31”

Main crystal size: 4.8 × 0.3 cm = 1.89” × 0.12”

Price: €790 / US$808 / ¥107610 / AUD$1160
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$961 / ¥128040 / AUD$1380
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$450 / ¥59930 / AUD$640
Silver (variety kongsbergite).
JFD135AO5: Silver (variety kongsbergite)
With a bad reputation for containing a lot of mercury (kongsbergite variety), if carefully protected from light they do not turn black and they retain that slightly reddish tone so characteristic of Imiter. With some matrix, very good size and that arborescent appearance, it is still a remarkable specimen despite the 32 years that have passed since it was found and I bought it.
Imiter Mine, Jebel Saghro, Imiter District, Tinghir Province, Drâa-Tafilalet Region  Morocco (1990)
Specimen size: 13.3 × 9.5 × 2.9 cm = 5.24” × 3.74” × 1.14”

Price: €1700 / US$1739 / ¥231570 / AUD$2500
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$368 / ¥49030 / AUD$520
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$194 / ¥25880 / AUD$270
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$286 / ¥38140 / AUD$410
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$491 / ¥65380 / AUD$700
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$1944 / ¥258810 / AUD$2790
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$501 / ¥66740 / AUD$720
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$654 / ¥87180 / AUD$940
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$665 / ¥88540 / AUD$950
Silver with Calcite.
TTE96AO4: Silver with Calcite
A novelty on the market in 2022. Aerial and aesthetic arborescent growth of Silver, with a very marked spinel-law twin plane. With small Calcite crystals that differentiate it from the classic Hongda silvers. These pieces come from a find made in a small gold working, currently closed, and which showed no evidence of such good silvers until now.
Jizishan deposit, Linqu, Weifang Prefecture, Shandong Province  China (±2014)
Specimen size: 4.4 × 2.3 × 2.4 cm = 1.73” × 0.91” × 0.94”

Main crystal size: 1.4 × 0.1 cm = 0.55” × 0.04”

Price: €190 / US$194 / ¥25880 / AUD$270
Silver with Calcite.
MTA37AO2: Silver with Calcite
A novelty on the market in 2022. Very aerial and aesthetic arborescent growth of Silver. On matrix of Calcite. These pieces come from a find made in a small gold working, currently closed, and which showed no evidence of such good silvers until now.
Jizishan deposit, Linqu, Weifang Prefecture, Shandong Province  China (±2014)
Specimen size: 2.5 × 1.1 × 0.9 cm = 0.98” × 0.43” × 0.35”

Price: €260 / US$266 / ¥35410 / AUD$380
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$266 / ¥35410 / AUD$380
Silver with Calcite.
TVM88AO4: Silver with Calcite
A novelty on the market in 2022. Very aerial and aesthetic arborescent growth of Silver, with a very marked spinel-law twin plane. With small Calcite crystals that differentiate it from the classic Hongda silvers. These pieces come from a find made in a small gold working, currently closed, and which showed no evidence of such good silvers until now.
Jizishan deposit, Linqu, Weifang Prefecture, Shandong Province  China (±2014)
Specimen size: 6.7 × 2.3 × 1.2 cm = 2.64” × 0.91” × 0.47”

Price: €380 / US$388 / ¥51760 / AUD$550
Silver with Calcite.
TBM88AO5: Silver with Calcite
A novelty on the 2022 market. Very aerial arborescent Silver growths, with a very distinct spinel-law twin plane and with small Calcite crystals that differentiate it from the classic Hongda silvers. These pieces come from a find made in a small gold working, currently closed, and from which until now there was no evidence that such good silvers could be found there.
Jizishan deposit, Linqu, Weifang Prefecture, Shandong Province  China (±2014)
Specimen size: 6.7 × 4.5 × 2.8 cm = 2.64” × 1.77” × 1.10”

Main crystal size: 2.6 × 0.3 cm = 1.02” × 0.12”

Price: €420 / US$429 / ¥57210 / AUD$610
Silver with Calcite.
TFR89AO6: Silver with Calcite
New on the market in 2022. Different from the usual. Apart from the filiform growths, the main crystal stands out, extraordinarily elongated but thick and sharp and with a very distinct spinel-law twin. With Calcite crystals that differentiate it from the classic Hongda silvers. These pieces come from a find made in a small gold working, currently closed, and of which until now there was no evidence that silver of such quality had been found there.
Jizishan deposit, Linqu, Weifang Prefecture, Shandong Province  China (02/2022)
Specimen size: 5.4 × 4.8 × 3.3 cm = 2.13” × 1.89” × 1.30”

Price: €480 / US$491 / ¥65380 / AUD$700

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