Rosell Minerales
RM384 Bastnäsite-(Ce) with talc and dolomite
Trimouns talc quarry, Luzenac, Ariège, Midi-Pyrénées, FranceThis specimen is from a worldwide classic mine for Rare Earth Elements (REE) species. We observe two groups of defined tabular hexagonal crystals with small pyramidal faces. They show a good transparency and color that varies between yellow-green to orange-brown, depending on the type of the light that strikes them. Currently it is not easy to find bastnäsite-(Ce) specimens from this mine and with this crystal size.
Size: 6,8 x 4,4 x 3,8 cm.
Main crystal: 6 x 4 mm.
Found in 2007.
It shows Pleochroism
RM204 Hopeite with parahopeite
Kabwe mine (Broken Hill), Kabwe, Central province, ZambiaHopeite and parahopeite are rare hydrated zinc phosphates, with the very best specimens worldwide coming from the famous Broken Hill Mine of Zambia. This specimen shows prismatic crystals of hopeite with brown color, some of them partially covered by colorless small parahopeite crystals. Broken Hill is the Type Locality for parahopeite. Rare species for systematic collector.
Size: 7,3 x 5,7 x 3,2 cm.
Main crystal: 7 x 3 mm.
Found in 1970's
RM412 Sphalerite with dolomite
Troya mine, Troi, Mutiloa, Gipuzkoa, Euskadi, SpainA huge size specimen formed by several groups of brilliant sphalerite crystals, showing a perfect brilliance and curved faces and edges. Transparence is quite good and shows toasted honey tones. Accompanied by several dolomite rhombohedrons on matrix.
Troya Mine was closed in 1993, only a few years before these specimens were collected in 1990. Nowadays the mine is collapsed and flooded. This specimen was in a former German mineral collection since then.
Size: 10,4 x 9,3 x 3,5 cm.
Main crystal: 4x4 mm.
Found in ±1990

RM209 Hopeite with parahopeite
Kabwe mine (Broken Hill), Kabwe, Central province, ZambiaHopeite and parahopeite are rare hydrated zinc phosphates, with the very best specimens worldwide coming from the famous Broken Hill Mine of Zambia. This specimen shows prismatic crystals of hopeite with brown color, some of them partially covered by colorless small parahopeite crystals. Broken Hill is the Type Locality for parahopeite. Rare species for systematic collector.
Size: 6,2 x 3,8 x 2,8 cm.
Main crystal: 8 x 2 mm.
Found in 1970
RM302 Pyromorphite
Gute Hoffnung Mine, Bleibuir, Mechernich, Eifel, North Rhine-Westphalia, GermanyThe color is exceptional in this pyromorphite specimen from this German mine. On a sandstone matrix a layer of prismatic crystals and some more barrel-shaped. Two generations are observed distinguishable by color crystals. Brilliance and well defined faces and edges. A sample for pyromorphite collectors.
Size: 10,2 x 8,4 x 3,5 cm
Main crystal: 2 mm.
Found in 2010
Precio reducido-Reduced price
RM380 Pyromorphite
Resuperferolítica mine, Solana de la Canaleja, Santa Eufemia, Córdoba, Andalucía, SpainGroup of very sharp pyromorphite crystals with a hexagonal shape and the characteristic color. The crystals fill cavities of the matrix. Mine has became a classic Spanish for pyro.
Size: 3,0 x 2,6 x 2,5 cm.
Main crystal: 7 x 3 mm.
RM376 Pyromorphite
Resuperferolítica mine, Solana de la Canaleja, Santa Eufemia, Córdoba, Andalucía, SpainGroup of hexagonal pr¡smatic crystals showing a good brilliance, characteristic color and very well defined faces and edges. From a classic Spanish mine.
Size: 6,8 x 6,0 x 4,0 cm.
Main crystal: 8 x 3 mm.
RM379 Pyromorphite on quartz
El Borracho Viejo mine, Garlitos, Badajoz, Extremadura, SpainA miniature formed by a druse of translucent and brilliant hexagonal barrel-shaped pyromorphite crystals. Some of them show parallel growths. With a color zoning that varies between grass green in the center to beige-green on terminal pinacoidal faces. These specimens have been determined by isotopic studies with equal results to those of this mine. This sample is from an old German mineral collection.
Size: 4,2 x 2,5 x 1,9 cm.
Main crystal: 5 x 3 mm.
Found in ±1980
RM378 Pyromorphite
El Borracho Viejo mine, Garlitos, Badajoz, Extremadura, SpainDruse of translucent and brilliant hexagonal barrel-shaped pyromorphite crystals. Some of them show parallel growths. With a color zoning that varies between grass green in the center to beige-green on terminal pinacoidal faces. These specimens have been determined by isotopic studies with equal results to those of this mine. This sample is from an old German mineral collection.
Size: 5,2 x 3,8 x 1,0 cm.
Main crystal: 3 x 2 mm.
Found in ±1980
RM377 Pyromorphite with coronadite
El Borracho Viejo mine, Garlitos, Badajoz, Extremadura, SpainIn this miniature we can enjoy two sides. One is covered by several hexagonal barrel-shaped pyromorphite crystals. Some of them show parallel growths. With a color zoning that varies between grass green in the center to beige-green on terminal pinacoidal faces. In the other side, small aggregates of transparent and sharp hexagonal pyro crystals partially covered by black coronadite or growing on it. These specimens have been determined by isotopic studies with equal results to those of this mine. Very curious specimen. This sample is from an old German mineral collection.
Size: 4,5 x 4,0 x 3,2 cm.
Main crystal: 11 x 7 mm.
Found in ±1980
RM375 Pyromorphite
El Borracho Viejo mine, Garlitos, Badajoz, Extremadura, SpainGroups of brilliant and sharp hexagonal pyromorphite crystals, with a fibrous shape due to parallel growths. Color beige, a little bit green. On a quartz matrix. These specimens have been determined by isotopic studies with equal results to those of this mine. This sample is from an old German mineral collection.
Size: 6,3 x 5,4 x 2,4 cm.
Main crystal: 5 x 1 mm.
Found in ±1980
Precio reducido-Reduced price
RM374 Pyromorphite on quartz
El Borracho Viejo mine, Garlitos, Badajoz, Extremadura, SpainGroups of brilliant hexagonal barrel-shaped pyromorphite crystals. Some of them show parallel growths. With a color zoning that varies between grass green in the center to beige-green on terminal pinacoidal faces. On a matrix of minute quartz crystals. These specimens have been determined by isotopic studies with equal results to those of this mine. This sample is from an old German mineral collection.
Size: 8,7 x 2,4 x 1,5 cm.
Main crystal: 5 x 5 mm.
Found in ±1980
Precio reducido-Reduced price
RM373 Pyromorphite
El Borracho Viejo mine, Garlitos, Badajoz, Extremadura, SpainA very rich pyromorphite druse formed by several hexagonal shape crystals. Some of them show parallel growths and fibrous like forms. With a marked color zoning that varies between grass green in the center to beige-green on terminal pinacoid. These specimens have been determined by isotopic studies with equal results to those of this mine. This excellent sample is from an old German mineral collection.
Size: 6,7 x 4,4 x 3,5 cm.
Main crystal: 10 x 3 mm.
Found in ±1980
RM365 Spessartine
Sangulungulu Hill, Naan, Loliondo, Ngorongoro, Arusha, TanzaniaA very sharp and complete trapezohedral spessartine crystal. Really nice and uniform color, translucent and good luster. This specimen shows a very interesting gem quality.
These crystals came from a deposit near the town of Loliondo, close to the Serengeti National Park and the border of Tanzania and Kenya.
Size: 2,4 x 2,4 x 2,3 cm.
Found in 2009
RM363 Vanadinite with Coronadite and Goethite
Mine Four man, Taouz, Er Rachidia, Meknès-Tafilalet, MoroccoTwo generations of vanadinite crystals. A good-sized brilliant crystals, with echeloned growths and defined faces and edges. With good color yellow and peppered by deep black coronadite globular aggregates. Another generation shows small crystals (<1 mm) but with a nice luster, transparence, and yellowish tone. Both are on a matrix of goethite.
Size: 6,2 x 4,2 x 3,4 cm.
Main crystal: 7 x 6 mm
Found in 04/2012
RM366 Vanadinite with Coronadite and Mottramite
Mine Four man, Taouz, Er Rachidia, Meknès-Tafilalet, MoroccoIn this excellent specimen we can observe different vanadinite crystals phases. The first is formed by botryoidal aggregates of small vanadinite crystals. Brilliant, translucent and with a yellow to greenish tones. On a second generation, we have huge size and brilliant crystals, with yellow to orange color, which show rounded faces and edges, one of them having a drop shape. One of the cavities of the goethite matrix is covered by very sharp and brilliant lanceolated prismatic crystals of mottramite. Also accompanied bybotryoidal coronadite. Novelty in SMM-2012.
Size: 9,5 x 5,2 x 4,0 cm.
Main crystal: 18 x 10 mm.
Found in 04/2012
RM370 Vanadinite with Coronadite and Mottramite
Mine Four man, Taouz, Er Rachidia, Meknès-Tafilalet, MoroccoA group of very curious yellowish vanadinite hexagonal crystals disposed on a layer of botryoidal coronadite acicular aggregates which are covering the goethite vugs. Accompanied by small but defined mottramite crystals forming clusters partially covering vanadinite crystals. They show a honey to brown color and dipyramidal faces and skeletal growths. A nice sample to be enjoyed on the display and under the microscope.
Size: 7,8 x 4,3 x 3,8 cm.
Main crystal: 6 x 5 mm.
Found in 04/2012
RM360 Sphalerite with siderite
Troya Mine, Troi, Mutiloa, Gipuzkoa, Euskadi, SpainA very brilliant specimen of this classic Basque mine. It shows a sphalerite matrix partially covered with brilliant sphalerite crystals, with slightly curved faces and edges. Good transparency and toasted honey color. It is accompanied by several greenish siderite rhombohedral crystals (up to 9 mm.), with some dolomite. A very aesthetic specimen.
Troya Mine was closed in 1993, only a few years before these specimens were collected in 1990. Nowadays the mine is collapsed and flooded. This specimen was in a former German mineral collection since then.
Size: 5,0 x 3,3 x 3,2 cm.
Main crystal: 10 x 9 mm.
Found in 1990.
Num. col. 129.

RM359 Sphalerite with siderite and dolomite
Troya Mine, Troi, Mutiloa, Gipuzkoa, Euskadi, SpainA very nice specimen of this classic Basque mine. It shows a sphalerite matrix with vugs layered by brilliant sphalerite crystals, defined faces and slightly curved edges. Good transparency and toasted honey color. It is accompanied by some greenish siderite rhombohedral crystals partially covered by iron oxydes. Also some minute orange dolomite crystals. Different one.
Troya Mine was closed in 1993, only a few years before these specimens were collected in 1990. Nowadays the mine is collapsed and flooded. This specimen was in a former German mineral collection since then.
Size: 5,5 x 4,3 x 2,6 cm.
Main crystal: 5 x 4 mm.
Found in 1990.
Num. col. 854.

RM357 Sphalerite with siderite and dolomite
Troya Mine, Troi, Mutiloa, Gipuzkoa, Euskadi, SpainExcellent sphalerite specimen from this Basque classic mine. It shows a matrix of sulfides covered by several brilliant crystals, with defined faces and slightly curved edges. Good transparence with toasted honey-colored tones. It is accompanied by groups of orange color rhombohedral dolomite crystals. Really representative specimen.
Troya Mine was closed in 1993, only a few years before these specimens were collected in 1990. Nowadays the mine is collapsed and flooded. This specimen was in a former German mineral collection since then.
Size: 6,3 x 5,2 x 3,7 cm.
Main crystal: 8 x 8 mm.
Found in 1990.
Num. col. 50.
RM352 Sphalerite with dolomite
Troya Mine, Troi, Mutiloa, Gipuzkoa, Euskadi, SpainExcellent sphalerite specimen from this Basque classic mine. It shows a matrix of sulfides covered by several brilliant crystals, with defined faces and slightly curved edges. Good transparence with toasted honey-colored tones. It is accompanied by groups of orange color rhombohedral dolomite crystals. Really representative specimen.
Troya Mine was closed in 1993, only a few years before these specimens were collected in 1990. Nowadays the mine is collapsed and flooded. This specimen was in a former German mineral collection since then.
Size: 6,1 x 5,0 x 3,5 cm.
Main crystal: 5 x 5 mm.
Found in 1990
Num. col. 137.
RM350 Sphalerite with siderite and dolomite
Troya Mine, Troi, Mutiloa, Gipuzkoa, Euskadi, SpainThis sample shows two mineralized sides. A first one totally covered by brilliant sphalerite crystals, with complex and curved faces and edges. Good transparence with toasted honey tones. Accompanied by few crystals of siderite. The other specimen side is partially covered by several yellowish-white dolomite crystals and flattened, brilliant and defined rhombohedrons of siderite with greenish tones.
Troya Mine was closed in 1993, only a few years before these specimens were collected in 1990. Nowadays the mine is collapsed and flooded. This specimen was in a former German mineral collection since then.
Size: 8,0 x 7,5 x 4,0 cm.
Main crystal: 5 x 4 mm.
Found in 1990
Num. col. 159.
RM344 Fluorite with quartz
Mina Emilio, Caravia area, Loroñe, Colunga, Asturias, SpainThe colorless crystals of fluorite from Emilio mine are well known and show a hyaline transparency. It is hard to capture their brilliance with the camera. This specimen shows a cubic crystal druse with forms of the trapezohedron at the vertices. With some inclusions. Few crystals show small notches on the edges, very common in Emilio fluorite crystals because of its sensitivity to temperature changes, but without affecting their beauty.
A brilliant miniature!
Size: 4,9 x 4,2 x 2,4 cm.
Main crystal: 10 x 9 mm.
RM346 Fluorite with quartz and barite
Ana concession, Berbes area, Ribadesella, Asturias, SpainIn this brilliant spoecimen we can enjoy some groups of cubic crystals of fluorite with defined edges and echeloned growths on faces. With an excellent transparence and a marked geometric color zoning, from colorless to violet and purple. Fluorite crystals are disposed on a matrix partially covered by small but bright quartz crystals and some tabular barite. An oldie from this mine.
Size: 7,4 x 6,8 x 3,9 cm.
Main crystal: 13 x 13 mm.
RM349 Fluorite with quartz and barite
Ana concession, Berbes area, Ribadesella, Asturias, SpainGroup of cubic crystals of fluorite, some bevelled by rhombododecahedron, transparent, brilliant, defined and more intense color zoning in the crystal core. Deep violet to purple tones, according to incident light. It is accompanied by quartz and barite crystals clearly visible on the back side. A Spanish classic from a old German collection.
Size: 10,0 x 9,7 x 4,6 cm.
Main crystal: 7 x 5 mm.

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