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TP99AM8: Schorl with Feldspar and Opal

Doubly terminated Schorl crystal on matrix, with sharp crystal forms, excellent terminations and polycrystalline growths on the prism, which has very good luster.
Erongo Mountain, Usakos, Erongo Region Namibia
Specimen size: 12.2 × 4.4 × 3.1 cm = 4.80” × 1.73” × 1.22”
Price: €480 / US$512 / ¥77640 / AUD$800

HA37AM6: Scolecite

Centered groups of fine prismatic Scolecite crystals, with visible terminal faces, translucent, with a silky luster and a snow-white color. Very elegant.
Pune District (Poonah District), Maharashtra India
Specimen size: 11.4 × 9.8 × 10.2 cm = 4.49” × 3.86” × 4.02”

Main crystal size: 11 × 0.9 cm = 4.33” × 0.35”
Price: €230 / US$245 / ¥37200 / AUD$380

HM280HR: Scolecite with Fluorapophyllite-(K)

Centered groups of acicular white Scolecite crystals, between transparent and translucent, with bright luster, and partially covered by small crystals of Fluorapophyllite-(K). On a basalt matrix.
Pune District (Poonah District), Maharashtra India
Specimen size: 15 × 9.5 × 7 cm = 5.91” × 3.74” × 2.76”
Price: €280 / US$299 / ¥45290 / AUD$470

MA96AG4: Scorodite

Very sharp Scorodite crystals, transparent, with a very intense vitreous luster, a very uniform olive green color and on matrix. The sample is from a very recent find at the Oumlil mine.
Oumlil Mine, Oumlil, Bou Azzer mining district, Zagora Province, Drâa-Tafilalet Region Morocco (09/2017)
Specimen size: 6.5 × 6.5 × 5 cm = 2.56” × 2.56” × 1.97”

Main crystal size: 0.6 × 0.4 cm = 0.24” × 0.16”
Price: €180 / US$192 / ¥29110 / AUD$300

EV90AA3: Serandite with Aegirine and Albite

Parallel growth of Serandite crystals with very well defined faces and edges and an intense color. They are implanted on a matrix of laminar Albite and have thin black Aegirine crystals scattered about.
Poudrette Quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec Canada (1984)
Specimen size: 5.4 × 2.7 × 2.6 cm = 2.13” × 1.06” × 1.02”
Price: €580 / US$619 / ¥93820 / AUD$970

SV2220TLX: Serpierite with Aurichalcite

Double crust formed by a covering of bluish Aurichalcite crystals completely covering a limonitic rock on which was partially deposited a large group of very fine acicular Serpierite crystals with bluish green hues. The specimen is from the type locality for Serpierite.
Serpieri Mine, Kamariza Mines, Lavrion Mining District, Attikí (Attica) Prefecture Greece
Specimen size: 4.8 × 2.4 × 1.4 cm = 1.89” × 0.94” × 0.55”
Price: €220 / US$235 / ¥35580 / AUD$360

MT27AC8: Shigaite with Rhodochrosite and Siderite

Very aerial aggregate of laminar Shigaite crystals. They are bright and transparent, with a color between yellow and orange, and have a considerable size for the species. The Shigaite, on matrix, is implated on a botryoidal Rhodochrosite aggregate and it is with crystalline Siderite. Not bad for the species.
The specimen has been photographed and published in the magazine ‘Paragénesis’, number 01/2016, page 80
N'Chwaning I Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province South Africa (2007)
Specimen size: 7.1 × 3.8 × 3.6 cm = 2.80” × 1.50” × 1.42”
Price: €2200 / US$2350 / ¥355890 / AUD$3690

AR47Z8: Siderite

Big lenticular crystal with a clear brown color and very well defined faces and edges that underline its complete contour. It has a well-developed flat pinacoidal surface and very well marked parallel growths on its rhombohedral faces.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (1987-2013)
Specimen size: 9.7 × 9.7 × 3 cm = 3.82” × 3.82” × 1.18”
Price: €220 / US$235 / ¥35580 / AUD$360

SG38AF0: Siderite (variety sphärosiderite) with Baryte

Botryoidal Siderite traditionally well known as sphaerosiderite, on a rocky matrix with bluish and very bright, laminar Baryte crystals.
The sample is from the Francesco S. Stoppani collection (catalog number 0635), whose label we’ll send to the buyer. As is the case with so many specimens in this collection, the sample is of great quality for the locality.
Baia Mare, Maramures Romania
Specimen size: 13 × 8.3 × 3.8 cm = 5.12” × 3.27” × 1.50”
Price: €280 / US$299 / ¥45290 / AUD$470

TR89AF6: Siderite after Calcite with Pyrite

Druse of very well defined rhombohedral Siderite crystals which are cast pseudomorphs after Calcite. During the process of the substitution, wall-like external shells were left behind. The siderite casts are on matrix, with small Pyrite crystals.
The sample is from the Vallecillo collection, Madrid.
Turt Mine, Turt, Negresti-Oas, Oas Mountains, Satu Mare Romania
Specimen size: 14 × 10.7 × 4.9 cm = 5.51” × 4.21” × 1.93”

Main crystal size: 2.9 × 2.4 cm = 1.14” × 0.94”
Price: €460 / US$491 / ¥74410 / AUD$770

NE94AM8: Siderite on Quartz with Pyrite

Large quartz crystal partially covered by groups of rhombohedral Siderite crystals with polycrystalline growths, with a light cream color and small Pyrite crystals. Monumental.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (2000)
Specimen size: 23.7 × 12.4 × 8.1 cm = 9.33” × 4.88” × 3.19”
Price: €560 / US$598 / ¥90590 / AUD$940

ST96AE3: Siderite with Calcite and Sphalerite

Two generations of Siderite crystals on matrix. The first forms a tapestry of small thick-tabular crystals with very well defined forms and the second is with larger polycrystalline aggregates with very curved faces.
The sample is with a label from the Stoppani collection that we’ll send to the buyer
Maramures Romania
Specimen size: 12.5 × 10.8 × 4.2 cm = 4.92” × 4.25” × 1.65”

Main crystal size: 2.7 × 1.8 cm = 1.06” × 0.71”
Price: €180 / US$192 / ¥29110 / AUD$300

MD12AE6: Siderite with Ferberite and Quartz

Elegant, platy Siderite crystals with a warm brown color. They are implanted on a twinned Ferberite crystal and are with transparent colorless Quartz.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal
Specimen size: 3.8 × 3 × 3.1 cm = 1.50” × 1.18” × 1.22”
Price: €80 / US$85 / ¥12940 / AUD$130

MF14AH7: Siderite with Fluorapatite

Floater rhombohedral Siderite crystal with apparent foliations that really are recrystallizations. Its honey color and the transparency are not usual for Siderite from this mine, generally it is more opaque. There is an associated growth of uncommon doubly terminated Fluorapatite crystals, between translucent and transparent, bright and white in color. These unexpected Fluorapatite crystals have been analyzed and we will send a copy of the analysis to the buyer.
Minas da Panasqueira, level 1, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (10/2015)
Specimen size: 2.7 × 2.5 × 1.2 cm = 1.06” × 0.98” × 0.47”
Price: €90 / US$96 / ¥14550 / AUD$150

NR16AM8: Siderite with Fluorapatite and Mica

Two generations of Siderite crystals, a first with large, tabular crystals, and a second generation of small, lenticular crystals, with a color between brown and cream, with small tabular Fluorapatite crystals and groups of lamellar Muscovite crystals.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (2000)
Specimen size: 12.8 × 8.3 × 4.7 cm = 5.04” × 3.27” × 1.85”
Price: €220 / US$235 / ¥35580 / AUD$360

TFR88AP9: Siderite with Pyrite

Group of sharp rhombohedral Siderite crystals, translucent, lustrous, brown with golden reflections, and with small Pyrite crystals on the surfaces of the faces. A French classic that comes from the Grégoire de Bodinat.
Saint-Pierre-de-Mésage, Vizille, Grenoble, Isère, Auvergne-Rhône-Alpes France
Specimen size: 8.7 × 6.8 × 6.6 cm = 3.43” × 2.68” × 2.60”

Main crystal size: 5 × 3.1 cm = 1.97” × 1.22”
Price: €360 / US$384 / ¥58230 / AUD$600

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$470 / ¥71170 / AUD$730

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$160 / ¥24260 / AUD$250

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$470 / ¥71170 / AUD$730

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$224 / ¥33970 / AUD$350

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, Region of Murcia (Murcia) Spain (±1990)
Specimen size: 14.7 × 9.3 × 5.5 cm = 5.79” × 3.66” × 2.17”
Price: €460 / US$491 / ¥74410 / AUD$770

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$918 / ¥139120 / AUD$1440

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$106 / ¥16170 / AUD$160

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$117 / ¥17790 / AUD$180

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$96 / ¥14550 / AUD$150

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