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ER27AE4: Sphalerite with Rhodochrosite, Pyrite, Galena and Arsenopyrite

Aggregate of very sharp Sphalerite (marmatite variety) crystals with a very well defined spinel law twin. They have an intense black color and are very bright and partially coated by botryoidal Rhodochrosite with small Arsenopyrite crystals and a base of Galena with small Pyrites The sample is from a relatively recent find in Trepča.
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District Kosovo (2015)
Specimen size: 6.5 × 4.4 × 4.2 cm = 2.56” × 1.73” × 1.65”
Price: €220 / US$246 / JPY26540 / AUD$350

EZ86AE7: Sphalerite with Rhodochrosite, Quartz and Pyrite

Very sharp Sphalerite (marmatite variety) crystals with a very well defined spinel law twin. They have an intense black color and are very bright, partially coated by botryoidal Rhodochrosite and on matrix with small Quartz crystals. The sample is from a relatively recent find in Trepča.
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District Kosovo (2015)
Specimen size: 10.7 × 7.8 × 3.4 cm = 4.21” × 3.07” × 1.34”

Main crystal size: 1.5 × 1.3 cm = 0.59” × 0.51”
Price: €220 / US$246 / JPY26540 / AUD$350

EC86AL4: Sphalerite with Siderite

Group of twinned Sphalerite crystals, very well defined, with good luster and partially covered by light brown spherulitic-botryoidal Siderite.
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District Kosovo (2014)
Specimen size: 9.1 × 5.4 × 3.3 cm = 3.58” × 2.13” × 1.30”
Price: €180 / US$201 / JPY21710 / AUD$290

3N15: Sphalerite, Dolomite

Parallel polycrystalline growths with slightly curved faces and edges, transparent, shiny and with a deep honey color. Faces are partially covered by Dolomite crystals.
Las Mánforas Mine, Áliva mining area, Camaleño, Comarca Liébana, Cantabria Spain
Specimen size: 4.2 × 7.0 cm = 1.65” × 2.76”
Price: €95 / US$106 / JPY11460 / AUD$150

4N26: Sphalerite, Dolomite

Parallel growths of complex Sphalerite crystals with a deep orange color, on a matrix of Dolomite with Calcite.
Las Mánforas Mine, Áliva mining area, Camaleño, Comarca Liébana, Cantabria Spain
Specimen size: 3.7 × 5.2 cm = 1.46” × 2.05”
Price: €125 / US$139 / JPY15080 / AUD$200

3N96: Sphalerite, Dolomite, Siderite

Druse of small, complex, twinned Sphalerite crystals, shiny and transparent and with a very deep honey color. The matrix is partially coated by small, white Dolomite crystals and rhombohedral Siderite crystals. This mine is currently abandoned and flooded, and its old galleries are completely inaccessible.
Troya Mine, Mutiloa, Comarca Goyerri, Gipuzkoa / Guipúzcoa, Euskadi Spain (1985)
Specimen size: 10.2 × 9.8 × 5.5 cm = 4.02” × 3.86” × 2.17”

Main crystal size: 1.1 × 0.7 cm = 0.43” × 0.28”
Price: €180 / US$201 / JPY21710 / AUD$290

3N13: Sphalerite, Quartz

Complex sphalerite crystals, dark in color, shiny, on small very bright Quartz crystals, on limestone matrix. From a not so well-known locality.
María Luisa Mine, La Mesa y Cortijo del Perete, La Nava, Comarca Sierra de Huelva, Huelva, Andalusia Spain (09/2014)
Specimen size: 11.2 × 8.0 × 3.5 cm = 4.41” × 3.15” × 1.38”
Price: €80 / US$89 / JPY9650 / AUD$130

2M15: Sphalerite, Siderite

Aggregate of highly profiled Sphalerite crystals (variety Marmatite), with the spinel-law twinning plane being very well defined. Intense black color, very good luster and partially coated by Siderite.
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District Kosovo (2015)
Specimen size: 6.0 × 3.0 × 3.2 cm = 2.36” × 1.18” × 1.26”

Main crystal size: 1.1 × 1.1 cm = 0.43” × 0.43”
Price: €65 / US$72 / JPY7840 / AUD$100

DX70AF2: Spinel with Calcite

A single octahedral crystal that has some extraordinarily elongated faces that confer to it its prismatic shape. The crystal, on a Calcite matrix, is translucent, bright and has a deep red color, especially vivid when it is under an intense light. An excellent sample, very esthetic.
Pein-Pyit, Mogok Township, Pyin-Oo-Lwin District, Mandalay Region (Mandalay Division) Myanmar (Burma)
Specimen size: 4.8 × 3.6 × 3.3 cm = 1.89” × 1.42” × 1.30”
Price: €640 / US$716 / JPY77220 / AUD$1040

AF27Q0: Stannite with Arsenopyrite and Quartz

Botryoidal growths of Stannite crystals whose faces and edges have very pronounced curvatures, of deep grey color, with very well defined crystals of Arsenopyrite and Quartz. The piece has a slight fissure but the matrix is stable. The Stannite, which in this locality is easily confused with Sphalerite, has been properly analyzed and we’ll send a copy of the analysis to the buyer.
Yaogangxian Mine, Yizhang, Chenzhou Prefecture, Hunan Province China (2004)
Specimen size: 6.2 × 5.4 × 3.9 cm = 2.44” × 2.13” × 1.54”

Main crystal size: 0.3 × 0.2 cm = 0.12” × 0.08”
Price: €220 / US$246 / JPY26540 / AUD$350

TA99E0: Stephanite

An excellent, really shiny Stephanite that is well positioned on the matrix and has complex crystal forms. There are also some large crystals of Stephanite on the rear of the specimen. There are no dings or scratches anywhere on it and there is a small amount of Pyrite matrix. As we often do, we will send the buyer of this one a copy of the analysis of this tempting specimen.
San Luis shaft, Fresnillo de González Echeverría (Fresnillo), Municipio Fresnillo, Zacatecas Mexico
Specimen size: 3 × 1.6 × 1.3 cm = 1.18” × 0.63” × 0.51”
Price: €490 / US$548 / JPY59120 / AUD$800

TR10Q8: Stibiconite

Group of sharp crystals, pseudomorphous after Stibnite, with very well defined faces and edges. The locality is considered typical for the species.
It is noted as a donation of A.B. Stiles to the Mineralogical Museum of the University of Delaware.
Real de Catorce (Catorce), Catorce Mountains, Municipio Catorce, San Luis Potosí Mexico
Specimen size: 23 × 5 × 5 cm = 9.06” × 1.97” × 1.97”

Main crystal size: 22 × 3.6 cm = 8.66” × 1.42”
Price: €590 / US$660 / JPY71180 / AUD$960

MD87AH7: Stibiconite with Calcite

Stibiconite pseudomorph after a previous Stibnite crystal with an elongated prismatic shape, with a double termination and partially coated by small Calcite crystals. Because the definitive species designation is still under discussion, we prefer to use the classic name Stibiconite for these samples, a Mexican classic.
Real de Catorce (Catorce), Catorce Mountains, Municipio Catorce, San Luis Potosí Mexico
Specimen size: 19 × 2 × 1.4 cm = 7.48” × 0.79” × 0.55”
Price: €280 / US$313 / JPY33780 / AUD$450

3E46: Stibnita, Calcite

Aggregate of very bright Stibnite crystals on a Calcite matrix, with very well-defined faces and edges and showing the characteristic habit of Stibnite crystals from this mine, very short, flattened and with excellent terminations. The matrix is Calcite.
Baiut, Maramures Romania (1970)
Specimen size: 6.5 × 9.0 × 4.7 cm = 2.56” × 3.54” × 1.85”

Main crystal size: 2.5 × 0.7 cm = 0.98” × 0.28”
Price: €110 / US$123 / JPY13270 / AUD$170

4J88: Stibnite

Very elongated Stibnite crystal with polycrystalline growths, perfect termination and an intense metallic luster. There's a slight twist in the upper part of the crystal.
Dahegou Mine, Lushi, Sanmenxia Prefecture, Henan Province China (1995)
Specimen size: 18.0 × 4.5 cm = 7.09” × 1.77”
Price: €460 / US$515 / JPY55500 / AUD$750

TR46AH4: Stibnite on Quartz

Irregular aggregates of fine acicular Stibnite crystals, a lot of them doubly terminated. They are very bright, on a rock matrix coated by Quartz microcrystals. The sample is from a very poorly known locality.
McLaughlin Mine, Knoxville, Knoxville District, Napa County, California USA
Specimen size: 3 × 2.8 × 3.3 cm = 1.18” × 1.10” × 1.30”

Main crystal size: 1.1 × 0.1 cm = 0.43” × 0.04”
Price: €145 / US$162 / JPY17490 / AUD$230

EL86AC5: Stibnite with Calcite

Aggregate of very bright Stibnite crystals on a Calcite matrix, with very well defined faces and edges and showing the characteristic habit of the crystals of Stibnite from this mine, very short, flattened and with excellent terminations.
Baiut, Maramures Romania (±1970)
Specimen size: 6 × 5.2 × 3.5 cm = 2.36” × 2.05” × 1.38”
Price: €180 / US$201 / JPY21710 / AUD$290

EJ27AC5: Stibnite with Calcite

Aggregate of very bright Stibnite crystals on a Calcite matrix, with very well defined faces and edges and showing the characteristic habit of the crystals of Stibnite from this mine, very short, flattened and with excellent terminations. They are on a Calcite matrix, with Baryte.
Baiut, Maramures Romania (±1970)
Specimen size: 5.6 × 5.4 × 5.6 cm = 2.20” × 2.13” × 2.20”

Main crystal size: 2.2 × 1.4 cm = 0.87” × 0.55”
Price: €220 / US$246 / JPY26540 / AUD$350

2M10: Stilbite-Ca, Fluorapophyllite-(K)

Aggregates of Stilbite-Ca crystals, one of them clearly dominant and doubly terminated, slightly pinkish white in color, on a matrix full of smaller but well-defined Fluorapophyllite-(K) crystals from the well-known Deccan Traps basalt quarries in India.
Pune District (Poonah District), Maharashtra India
Specimen size: 11.6 × 8.0 × 7.0 cm = 4.57” × 3.15” × 2.76”
Price: €35 / US$39 / JPY4220 / AUD$50

EG72AI7: Strontianite with Quartz

Strontianite crystals on a Quartz matrix that have the very well defined pseudo-hexagonal twin and faces and edges. Furthermore, most of them are doubly terminated. They are translucent and bright. A sample of the best quality for the species.
Oberdorf an der Laming, Laming valley, Bruck an der Mur, Styria/Steiermark Austria
Specimen size: 7.1 × 3.2 × 3 cm = 2.80” × 1.26” × 1.18”

Main crystal size: 1.7 × 0.4 cm = 0.67” × 0.16”
Price: €740 / US$828 / JPY89280 / AUD$1200

TG67AL5: Sulfur with Calcite

Group on matrix of Calcite of Sulfur crystals with sharp faces and edges, bright and with changes in color, between yellow and orange. A Sicilian classic. The specimen is accompanied by an old label that does not include the original collection.
Enna (Castrogiovanni), Enna Province, Sicily Italy
Specimen size: 9.2 × 6.8 × 2.5 cm = 3.62” × 2.68” × 0.98”
Price: €480 / US$537 / JPY57910 / AUD$780

VH27AJ0: Sulfur with Calcite

Group of Sulfur crystals with a flattened dipyramidal shape. They are translucent, bright, and are on a Calcite matrix.
The sample is from the A. Mayor collection (num. 363).
Agrigento (Girgenti) Province, Sicily Italy (±1967)
Specimen size: 9.4 × 7.3 × 6.3 cm = 3.70” × 2.87” × 2.48”

Main crystal size: 3.8 × 3.1 cm = 1.50” × 1.22”
Price: €560 / US$627 / JPY67560 / AUD$910

TA37AL5: Tarbuttite

Very aerial group of highly profiled Tarbuttite crystals, unusually transparent and sharp and on matrix. We will send the specimen, from the type locality for the species, in its original Perky box from the Robert J. Noble collection, which also contains the label, on which it appears that it was previously in the Jim & Dawn Minette collection.
Kabwe Mine (Broken Hill Mine), Kabwe (Kabwe-Ka Mukuba), Kabwe District, Central Province Zambia
Specimen size: 3.1 × 2 × 2.7 cm = 1.22” × 0.79” × 1.06”
Price: €240 / US$268 / JPY28950 / AUD$390

MA16AI5: Tarbuttite with Hydroxylapatite and Hemimorphite

Fanlike growths of acicular Hydroxylapatite and Hemimorphite micro-crystals on Tarbuttite crystals, distinguishable by its green color. Of high quality, as is usual with samples from the Desmond Sacco collection.
Skorpion Mine, Rosh Pinah, Lüderitz District, Karas Region Namibia (2016)
Specimen size: 6.4 × 5.2 × 4.6 cm = 2.52” × 2.05” × 1.81”

Main crystal size: 1.1 × 0.7 cm = 0.43” × 0.28”
Price: €1100 / US$1231 / JPY132720 / AUD$1790

MM49AJ0: Tennantite with Dolomite and Quartz

Group of Tennantite crystals, one of them clearly dominant, with very well defined faces and edges, with the forms of a tetrahedron and dodecahedron, and with small, white, Dolomite
A classic from Tsumeb that was in the Enrique Moës collection.
Tsumeb Mine, Tsumeb, Otjikoto Region Namibia
Specimen size: 6.4 × 5.1 × 3.9 cm = 2.52” × 2.01” × 1.54”
Price: €440 / US$492 / JPY53090 / AUD$710

We work with the IMA approved names for minerals. If you are not sure of the IMA name for the mineral you are looking for you can select it from the following list


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