Rosell Minerales
RM2918 Willemite
Can Rovira quarry, Sant Fost de Campsentelles, Barcelona, Catalunya, SpainThe Sant Fost willemite appears in small crystals with a pseudohexagonal prismatic habit (twinned), with striated faces. All of them are sub-millimetric in size and form druses of crystals with a resinous or adamantine luster, with colors ranging from dark brown to honey-yellow, or they may appear colorless and transparent. In Sant Fost the willemite appears associated to a sphalerite vein together with silicates (quartz and clays), calcite, fluorite, and baryte. Willemite is fluorescent under SW-UV light. Very unusual locality for the species.
Size: 3.8 x 1.7 x 0.9 cm.
Found in 2021.
Con análisis / With analytical report
Fluorescent under short wave UV

RM2917 Surite with cerussite and fluorite
Can Rovira quarry, Sant Fost de Campsentelles, Barcelona, Catalunya, SpainThis is one of the few samples obtained in our last studies in this quarry. We saw a mica-like platy crystals, with a pearly luster and hexagonal form. The results of the different analytical techniques indicated that it was surite (SEM-EDS, EPMA, XRD, Raman). It is accompanied by cerussite, fluorite (purple), baryte and galena.
Surite is a very rare species based on a cerussite-like layer intercalated with a 2:1 layer of smectite. Can Rovira is the second locality in Europe and one of the few localities worldwide.
Size: 3.9 x 3.7 x 2.5 cm.
Found in ±2020.
Analyzed specimen with report

RM2916 Fehrite and devilline
Les Ferreres mine, Rocabruna, Camprodon, Girona, Catalunya, SpainFehrite is a recent new species found in Almeria (Spain). Some years ago (2012) we identified this species in the Les Ferreres mine (Camprodon) but unfortunatelly we didn't have enough sample to finish detrmination and structural studies. Recently we found some more samples and the characterization was carried out based on the results obtained from the application of various analytical techniques: SEM-EDS, Raman and X-ray diffraction. Les Ferreres mine is the second locality worldwide for the species. We will send all reports to the buyer.
In this Catalan mine, fehrite appears as elongated elongated tabular to fibrous crystals, with a delicate bluish-green tone, and fibrous terminations. Usually, it is accompanied by devilline (blue) and brochantite (green). It is the magnesium analogue of ktenasite.
Size: 2.3 x 2.2 x 1.7 cm.
Found in ±2019.
Analyzed specimen with report

RM2915 Fehrite and devilline
Les Ferreres mine, Rocabruna, Camprodon, Girona, Catalunya, SpainFehrite is a recent new species found in Almeria (Spain). Some years ago (2012) we identified this species in the Les Ferreres mine (Camprodon) but unfortunatelly we didn't have enough sample to finish detrmination and structural studies. Recently we found some more samples and the characterization was carried out based on the results obtained from the application of various analytical techniques: SEM-EDS, Raman and X-ray diffraction. Les Ferreres mine is the second locality worldwide for the species. We will send all reports to the buyer.
In this Catalan mine, fehrite appears as elongated elongated tabular to fibrous crystals, with a delicate bluish-green tone, and fibrous terminations. Usually, it is accompanied by devilline (blue) and brochantite (green). It is the magnesium analogue of ktenasite.
Size: 2.9 x 2.1 x 0.8 cm.
Found in ±2019.
Analyzed specimen with report

RM2914 Fehrite
Les Ferreres mine, Rocabruna, Camprodon, Girona, Catalunya, SpainFehrite is a recent new species found in Almeria (Spain). Some years ago (2012) we identified this species in the Les Ferreres mine (Camprodon) but unfortunatelly we didn't have enough sample to finish detrmination and structural studies. Recently we found some more samples and the characterization was carried out based on the results obtained from the application of various analytical techniques: SEM-EDS, Raman and X-ray diffraction. Les Ferreres mine is the second locality worldwide for the species. We will send all reports to the buyer.
In this Catalan mine, fehrite appears as elongated elongated tabular to fibrous crystals, with a delicate bluish-green tone, and fibrous terminations. Usually, it is accompanied by devilline (blue) and brochantite (green). It is the magnesium analogue of ktenasite.
Size: 1.4 x 1.2 x 0.8 cm.
Found in ±2019.
Analyzed specimen with report

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, with the classic label.
Size: 6 x 5.2 x 5.2 cm.
Found in ±1991.
Col. Manchion (Barcelona).

RM2911 Goethite pseudomorphic of Pyrite
Llanos de Arenalejos, Carratraca, Málaga, Andalucía, SpainA specimen from this classic locality in Malaga where groups of pyrite crystals have been totally replaced by goethite (limonite). A Spanish reference.
Size: 8.8 x 5 x 2.8 cm.
Main crystal: 2.3 cm.
Found in ±1991.
Col. A. Arguijo (L'Hospitalet de Llobregat, Barcelona).
Classic locality
RM2907 Scheelite, Uralite (amphibole Supergroup) and Epidote
Burguillos del Cerro, Badajoz, Extremadura, SpainExcellent specimen, with a good size, of granatite with vugs filled by epidote crystals, on which olive green fibrous aggregates of uralite stand out. The most remarkable are several well-formed crystals of scheelite, a species difficult to find locally, highly fluorescent under short-wave UV. It belongs from the Manchion collection and it was acquired from Joan Viñals in 1990.
Size: 6.9 x 6.8 x 4.8 cm.
Main crystal: 3.2 mm. sch.
Found in ±1990.
Col. Manchion (Barcelona).
Fluorescent under short wave UV

RM2904 Fluorite and calcite
Villabona mines, Villabona, Llanera, Asturias, Principado de Asturias, SpainGroup of cubic fluorite crystals, brilliant, transparent and yellow in color with zoning. Fluorescent under LW-UV light, with an interesting zoning. Dotted with small pyrite crystals and rhombohedral calcite. From this classic Asturian mine.
Size: 6.5 x 4.4 x 3.5 cm.
Main crystal: 1 cm.
Found in ±1991.
Col. Manchion (Barcelona).
Fluorescent under long wave UV

RM2903 Aragonite and goethite
Hilarion Mine, Kamariza Mines, Agios Konstantinos, Lavrion, Attikí, GreeceDivergent aggregates 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: 8.5 x 6.7 x 5.5 cm.
Main crystal: 1 cm.
Found in ±1990.
Classic locality
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
RM2901 Grossular (var. Hessonite)
Val di Susa, Città metropolitana di Torino, Piemonte, ItalyBrilliant specimen formed by a druse of defined tarpezohedral crystals of grossular, hessonite variety. Intense color, shine and transparence. With the handwritten label from the Joan Astor collection, indicating that this specimen was purchased at Expominer mineral show to Benvenuti Gianni.
Found in ±1979.
Col. Joan Astor (Barcelona).

RM2899 Celestine
Els Esbornacs, Santa Eulàlia de Riuprimer, Osona, Catalunya, SpainThese celestite specimens are a classic of Catalan mineralogy. They were found decades ago in fissures in the carbonate marls of Els Esbornacs area (Catalan word meaning fissures produced by landslides), in the Plana de Vic. They occur as orthorhombic prismatic crystals, transparent to translucent, bright and with a very characteristic greyish-blue color.
Size: 6.4 x 5 x 2.8 cm.
Main crystal: 5 mm.
Found in ±1980.
Classic locality
RM2898 Celestine
Els Esbornacs, Santa Eulàlia de Riuprimer, Osona, Catalunya, SpainThese celestite specimens are a classic of Catalan mineralogy. They were found decades ago in fissures in the carbonate marls of Els Esbornacs area (Catalan word meaning fissures produced by landslides), in the Plana de Vic. They occur as orthorhombic prismatic crystals, transparent to translucent, bright and with a very characteristic greyish-blue color.
Size: 8 x 3.5 x 3.4 cm.
Main crystal: 6 mm.
Found in ±1980.
Classic locality
RM2897 Celestine
Els Esbornacs, Santa Eulàlia de Riuprimer, Osona, Catalunya, SpainThese celestite specimens are a classic of Catalan mineralogy. They were found decades ago in fissures in the carbonate marls of Els Esbornacs area (Catalan word meaning fissures produced by landslides), in the Plana de Vic. They occur as orthorhombic prismatic crystals, transparent to translucent, bright and with a very characteristic greyish-blue color.
Size: 9 x 6.2 x 4.6 cm.
Main crystal: 5 mm.
Found in ±1980.
Classic locality
RM2896 Celestine
Els Esbornacs, Santa Eulàlia de Riuprimer, Osona, Catalunya, SpainThese celestite specimens are a classic of Catalan mineralogy. They were found decades ago in fissures in the carbonate marls of Els Esbornacs area (Catalan word meaning fissures produced by landslides), in the Plana de Vic. They occur as orthorhombic prismatic crystals, transparent to translucent, bright and with a very characteristic greyish-blue color.
Size: 6 x 4.4 x 3.2 cm.
Main crystal: 4 mm.
Found in ±1980.
Classic locality
RM2891 Chrysocolla after tyrolite
La Profunda Mine, Cármenes, León, Castilla y León, SpainVery interesting specimen from this old Roman mine located between Cármenes and Villamanín (León, Spain), which was later exploited for copper until the end of the 20th century. These are botryodal aggregates of chrysocolla replacing tyrolite. A rarity of this Leonese mine.
Size: 7.6 x 7.3 x 5.4 cm.
Found in ±1998.
Col. M. Marí - A. García (Castelló)
Classic locality

RM2890 Huntite and aragonite
Turó de Montcada Quarry, Montcada i Reixac, Barcelona, Catalunya, SpainSpecimens of huntite from this classic Catalan locality are hard to see. Huntite occurs by filling cavities in a matrix of ampelitic shales. It is a carbonate of calcium and magnesium, powdery in appearance, snowy white in color. It is accompanied by small acicular crystals of very bright aragonite. Huntite was identified by XR diffraction in Montcada hill quarry in the late 1990s (Cendón et al. 1997; link).
Size: 9 x 8.5 x 6.7 cm.
Classic locality
RM2889 Huntite and aragonite
Turó de Montcada Quarry, Montcada i Reixac, Barcelona, Catalunya, SpainSpecimens of huntite from this classic Catalan locality are hard to see. Huntite occurs by filling cavities in a matrix of ampelitic shales. It is a carbonate of calcium and magnesium, powdery in appearance, snowy white in color. It is accompanied by small acicular crystals of very bright aragonite. Huntite was identified by XR diffraction in Montcada hill quarry in the late 1990s (Cendón et al. 1997; link).
Size: 10.5 x 5.4 x 5 cm.
Classic locality
RM2887 Clinoptilolite-Ca
Lidone Mt., Nulvi, Sassari, Sardegna, ItalyIn a tuff andesitic volcanic rocky matrix we can observe several cavities that contain aggregates of colorless, bright clinoptilolite crystals. Specimens from this Italian locality are not common.
Size: 6.7 x 5.6 x 4 cm.
Main crystal: 1.5 mm.
RM2884 Pyromorphite
S'Ortu Becciu Mine, Donori, Cerdeña, ItalySpecimens from this locality, located in the south of the island of Sardinia, are very rare on the market. This specimen is formed by cavities lined with prismatic barrel-shaped crystals. Intense green to yellowish color. The piece comes from the Manchion collection and was acquired from Dr. Joan Viñals in 1989.
Size: 6.1 x 4.1 x 2.9 cm.
Found in ±1989.
Col. Manchion (Barcelona).

RM2882 Laurionite, Paralaurionite, Ecdemite, Nealite
Vrissaki Point slag locality, Vrissaki area, Lavreotiki, Attika, GreeceSample of metallurgical slag from this classical Greek locality. In the vacuoles we observe these minerals: laurionite, paralaurionite, phosgenite, ecdemite and nealite. It is accompanied by an interesting handwritten label that describes all these species.
Size: 5.7 x 4.3 x 3.5 cm.
Classic locality

RM2881 Bluish aragonite
Atrevida mine, Serra de Prades, Vimbodí-Poblet, Tarragona, Catalunya, SpainThis old specimen belongs from the classic Atrevida mine, in the south of Catalonia. It is a botryoidal concretion of aragonite with a slight greenish blue hue. Nowadays is strictly forbiden collect minerals in this Natural Park. From the Manchion collection (Barcelona), with handwritten label of Soler i Pujol old label.
Size: 6.1 x 4.2 x 2.9 cm.
Found in ±1970.
Col. Manchion (Barcelona).
Classic locality

RM2879 Boulangerite (plumosite) with sphalerite and arsenopyrite
Trepča Stan Terg Mine, Trepča, Kosovska Mitrovica, KosovoSpecimen from this classic Kosovar mine. A matrix formed by crystals of arsenopyrite, twinned sphalerite, pyrite and some calcite. On them have grown nice aggregates of boulangerite showing a metallic gray fine-acicular crystals, but may have other sulphides of the same group, which are called plumosite. A very brilliant and aesthetic specimen.
Size: 6 x 3.7 x 3.3 cm.
Found in ±1988.
Col. Manchion (Barcelona).
Classic locality

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