Rosell Minerales
RM2959 Proustite
Bad Schlema, Aue-Bad Schlema, Erzgebirgskreis, Saxony, GermanySpecimen rich in Co-ore on which various proustite crystals stand out. Very faceted and transparent, which allows us to see the red color of this silver sulfosalt. A photograph of this specimen, from Volker Betz, was image of the day in mindat (Photo of the Day - 7th Oct 2012). A very remarkable piece for this German mine.
Size: 5 x 4.8 x 3.4 cm.
Main crystal: 4 mm.
Ex. Volker Betz; Ex. Erich Laskowski col.

RM2955 Quartz and fluorite
Sant Marçal (Matagalls) mines, Sant Marçal, Massís del Montseny, Viladrau, Girona, Catalunya, SpainIn this specimen we can see a group of bluish fluorite crystals partially covered by a druse of minute but very bright quartz crystals.
Size: 5.3 x 6 x 3.8 cm.
Main crystal: 8 mm. fluorita
Found in ±1985.
RM2951 Fluorite
Berta quarry, El Papiol - Sant Cugat del Vallès, Barcelona, Catalunya, SpainVery good sized specimen of fluorite from this classic Catalan quarry. On the "old" matrix of orange granodiorite there are various groups of crystals, some of them isolated, with octahedral shapes. They have a semi-matte luster and a uniform green color. Very fluorescent under LW-UV light. Specimens of fluorite from this quarry are highly prized by collectors.
Size: 12 x 6.6 x 5.6 cm.
Main crystal: 1.1 cm.
Found in ±1999.
Fluorescent under long wave UV
RM2947 Hübnerite, pyrite, and quartz
Julcani, Angaraes, Huancavelica, PerúVery esthetic miniature formed by a group of quartz crystals covered by beveled cubic pyrite on which various tabular crystals of hübnerite stand out, well defined and with a very visible red transparence. Specimen from the Joan Astor collection, acquired in 1982 from Bailey Minerals (Ángel Jesús Talabán García, Segovia 1942-Madrid 2007).
Size: 3.5 x 2.8 x 2.7 cm.
Main crystal: 9 mm.
Found in ±1982.
Col. Joan Astor (Barcelona).

RM2940 Elbaite
Cruzeiro mine, São José da Safira, Minas Gerais, BrazilElbaite specimen of very good size and thickness, showing us the prisms with vertical striations and well-defined terminal faces. Highlights the brightness and a more intense green color at the top and lighter at the base. A gem from Minas Gerais. It belongs from the Trigo collection.
Size: 4.9 x 2.3 x 2.2 cm.
Found in ±1985.
Col. Trigo (Mataró, Catalunya)
RM2937 Allargentum, safflorite and calcite
Wenzel Mine, Oberwolfach, Ortenaukreis, Freiburg, Baden-Württemberg, GermanyThese German mines have produced some of the best specimens of silver and allargentum from European mines. A good-sized piece, we can see aggregates of this silver and antimony species showing rounded forms. Disposed very aerial on a calcite matrix. With good luster and bronze reflections. With safflorite. It belongs from a Spanish collection, and we will send the handwritten label to the buyer.
Size: 6.9 x 5.3 x 2.3 cm.
Col. M. Marí - A. García (Castelló)
RM2932 Galena, spinel twin and sphalerite
Giudivrska mine, Plovdiv, Plovdiv Oblast, BulgariaVery good specimen of galena formed by a large group of crystals with complex shapes and a visible spinel twin. They are disposed on a small matrix.
Size: 5.6 x 5 x 4.3 cm.
Main crystal: 3.5 cm.
RM2929 Magnetite
Huayriquiña mine, Cerro Huañaquino, Potosí, BoliviaSpecimens of magnetite from Cerro Huañaquino were well known decades ago, but today it is not easy to find them, and even less with the quality of this specimen that we propose. It is a druse of very bright octahedral crystals with an intense black colour that are disposed on the rocky matrix.
Size: 8.9 x 5 x 3.5 cm.
Main crystal: 7 mm.
RM2922 Prehnite and actinolite
Ait Karmosse, Boulemane, Fès-Meknès, MoroccoThese prehnite specimens are a novelty from the Mineralexpo Barcelona-Sants 2022 mineral show. They show rich groups formed by sheaf aggregates of crystals, very brilliant, translucent and with a very uniform green color. Sometimes they are accompanied by small acicular crystals of actinolite. They belong from a Moroccan locality near Boulemane.
Size: 8.9 x 6.6 x 5.2 cm.
Found in 02/2022.
RM2919 Prehnite and actinolite
Ait Karmosse, Boulemane, Fès-Meknès, MoroccoThese prehnite specimens are a novelty from the Mineralexpo Barcelona-Sants 2022 mineral show. They show rich groups formed by sheaf aggregates of crystals, very brilliant, translucent and with a very uniform green color. Sometimes they are accompanied by small acicular crystals of actinolite. They belong from a Moroccan locality near Boulemane.
Size: 7.3 x 5.5 x 4.7 cm.
Found in 02/2022.
RM2913 Pyrrhotite and magnetite
Burguillos del Cerro, Badajoz, Extremadura, SpainAlthough it is a massive specimen, we can see the pyrrhotite with bronze luster with inclusions of black magnetite. It is not a very common species for the locality. It belongs from the Astor collection. For Spanish locality collectors.
Size: 5 x 4.2 x 3 cm.
Found in ±1985.
Col. Joan Astor (Barcelona).
Classic locality

RM2912 Aragonite
Minglanilla, Cuenca, Castilla-La Mancha, SpainVery good sized specimen of cyclically twinned aragonite. It belongs from the Manchion collection.
Size: 6 x 5.2 x 5.2 cm.
Found in ±1991.
Col. Manchion (Barcelona).
RM2902 Aragonite and goethite
Hilarion Mine, Kamariza Mines, Agios Konstantinos, Lavrion, Attikí, GreeceDivergent aggregate of aragonite crystals, very aesthetic, brilliant and transparent to translucent. They are disposed on a matrix with goethite. Aragonite specimens from Lavrion are prized by collectors for their aesthetics.
Size: 7 x 5.2 x 3.9 cm.
Main crystal: 8.5 mm.
Found in ±1990.
Classic locality
RM2895 Skutterudite, safflorite and quartz
Bou Azzer, Tazenakht, Ouarzazate, Souss-Massa-Draâ, MoroccoA very good sized specimen of skutterudite, with well defined and very brilliant crystals. They are accompanied by aesthetic aggregates of lanceolated saffflorite crystals and quartz. A display fine specimen.
Size: 7.2 x 7 x 5 cm.
Main crystal: 1.2 cm.
Found in ±2019.
RM2892 Fibrous malachite and chrysocolla
Bleida mines, Tinzouline Caïdat, Zagora cercle, Drâa-Tafilalet, MoroccoAesthetic specimen of good size upholstered by a layer of botryoidal aggregates of chrysocolla, with a pale blue to light blue. On the chrysocolla there are numerous aggregates of acicular malachite crystals, transparent, brilliant, velvety and that stand out on the matrix.
Size: 15 x 9 x 6 cm.
Found in ±2019.
RM2886 Malachite and wulfenite
Whim Creek Copper Mine, Whim Creek, Roebourne Shire, Western Australia, AustraliaFibrous aggregates of malachite, very characteristic of this mine. They are accompanied by small yellow wulfenite crystals. They are disposed on a goethite matrix. A rarity on the market. With a rare vintage label by Olivier Szentessy (Genève, Switzerland).
Size: 4.4 x 3.2 x 3.2 cm.
Found in ±1985.
Col. Manchion (Barcelona).

RM2878 Pyromorphite
Resuperferolítica mine, Solana de la Canaleja, Santa Eufemia, Córdoba, Andalucía, SpainGroup of pyromorphite crystals with a brownish green color, with very well defined hexagonal shapes and well defined faces and edges. It comes from a classic Spanish mine and from which good quality specimens have come out.
Size: 3.2 x 3 x 1.8 cm.
Main crystal: 7.8 mm.
Classic locality
RM2876 Pyromorphite
Resuperferolítica mine, Solana de la Canaleja, Santa Eufemia, Córdoba, Andalucía, SpainGroup of pyromorphite crystals with a brownish green color, with very well defined hexagonal shapes and well defined faces and edges. It comes from a classic Spanish mine and from which good quality specimens have come out.
Size: 3.3 x 2.1 x 2 cm.
Main crystal: 5 mm.
Classic locality
RM2873 Pyromorphite
Resuperferolítica mine, Solana de la Canaleja, Santa Eufemia, Córdoba, Andalucía, SpainGroup of pyromorphite crystals with a brownish green color, with very well defined hexagonal shapes and well defined faces and edges. It comes from a classic Spanish mine and from which good quality specimens have come out. An aesthetic miniature.
Size: 3.3 x 3 x 2.4 cm.
Main crystal: 1 cm.
Classic locality
RM2871 Fluorite, pyrite and calcite
Villabona mines, Villabona, Llanera, Asturias, Principado de Asturias, SpainGroup of cubic fluorite crystals, brilliant, transparent and with a yellow color with zoning, more orange in the core of some of the crystals. Dotted with small beveled cubic crystals of pyrite. The back side is fully upholstered in pyrite.
Size: 8.5 x 6.6 x 4.5 cm.
Main crystal: 7.5 mm.
Found in ±1985.
Col. Manchion (Barcelona).

RM2869 Epidote
Jefferson Co., Montana, United States of AmericaAn epidote specimen from an unusual North American locality. It occurs as parallel aggregates of very elongated prismatic to acicular crystals, with terminal faces, green in color and transparent.
Size: 4.2 x 1.2 x 0.7 cm.
Found in ±1980.
Col. Manchion (Barcelona).
RM2868 Smoky quartz and microcline
Montnegre Mts., Sant Celoni, Barcelona, Catalunya, SpainGood size smoky quartz crystal. Defined, bright and with "ghost" shapes inside. An old piece from a classic Catalan locality.
Size: 6.4 x 5.1 x 3.9 cm.
Found in ±1985.
Col. Manchion (Barcelona).

RM2866 Sphalerite, Chalcopyrite, Pyrite and quartz
Huaron mines, Huayllay, Pasco, PerúNumerous well-defined and interpenetrated sphalerite crystals are arranged on a matrix with quartz crystals, accompanied by pyrite crystals. In the upper part, a group of chalcopyrite crystals with some indentation, which allows us to see the color and brilliance.
Size: 6 x 4.4 x 4.3 cm.
Main crystal: 1.6 cm.
Found in ±1984.
Col. Manchion (Barcelona).

RM2848 Stibnite
Baia Sprie, Maramures Co., RomaniaGroup of very elongated prismatic crystals, in parallel growth, very brilliant. The back side has a coating of quartz microcrystals. A piece from the Astor collection acquired in 1974 from Bailey Minerals (Ángel Jesús Talabán García, Segovia 1942-Madrid 2007).
Size: 6.5 x 3 x 2.2 cm.
Found in ±1974.
Col. Joan Astor (Barcelona).
RM2844 Dioptase, duftite and calcite
Tsumeb mine (Tsumcorp), Tsumeb, Otjikoto, NamibiaIn a vug of the matrix there are numerous complete and brilliant dioptase crystals with the characteristic intense green color. They are accompanied by small yellow crystals of duftite, on calcite rhombohedra. A very aesthetic classic from this mine.
Size: 6.4 x 6 x 5 cm.
Main crystal: 3 mm.
Found in ±1980.
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