Rosell Minerales
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
RM2910 Banded Opal
San Luis Potosí, MéxicoSpecimen of Mexican banded opal. An old piece from the Manchion collection acquired in 1991.
Size: 5.9 x 4 x 2.3 cm.
Found in ±1991.
Col. Manchion (Barcelona).

RM2909 Hemimorphite
Santa Eulalia, Aquiles Serdán, Chihuahua, MéxicoRich group of lanceolated hemimorphite crystals, thick, very brilliant and transparent. With calcite and on a goethite matrix. A classic of this Mexican mine.
Size: 7.9 x 5.5 x 4.4 cm.
Main crystal: 9.2 mm.
Found in ±1988.
Col. Manchion (Barcelona).
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
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.
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

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).

RM2883 Almandine
Serrote Redondo, Pedra Lavrada, Paraíba, BrazilSome almandine garnet crystals exposed in the center of a quartz nodule from an unusual alluvial deposit. The garnet crystals are nicely exposed showing almost half the largest crystal.
Size: 4.7 x 4 x 2.9 cm.
Main crystal: 2.8 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
RM2875 Pyromorphite
Resuperferolítica mine, Solana de la Canaleja, Santa Eufemia, Córdoba, Andalucía, SpainGroup of pyromorphite crystals with a brownish to green color with zoning, with very well defined hexagonal shapes and well defined faces and edges. On rocky matrix. It comes from a classic Spanish mine and from which good quality specimens have come out. An aesthetic miniature.
Size: 4 x 3.2 x 1.9 cm.
Main crystal: 3.5 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).

RM2867 Siderite with pyrrhotite and dolomite
Mina Morro Velho, Nova Lima, Minas Gerais, BrazilA classic specimen from this Brazilian locality. Various flattened, almost lenticular, siderite crystals with a yellowish green color, on which a group of dolomite crystals stands out. In dolomite we see numerous pseudohexagonal pyrrhotite crystals, some included in the dolomite. We did not observe the presence of cubanite.
Size: 5.5 x 3.8 x 2.4 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).

RM2851 Scepter quartz
Izizauen, Alnif, Tinghir, Drâa-Tafilalet, MoroccoGroup of quartz crystals in parallel growth and with a "scepter" structure. Very well defined faces and edges, brilliant and transparent to translucent. Very aerially disposed on the matrix. An good size and excellent specimen from a Moroccan locality not very known.
Size: 10 x 7.2 x 5.5 cm.
Main crystal: 5 x 4 cm.
Found in ±2019.
RM2850 Sphalerite
Las Manforas Mine (Áliva), Camaleño, Cantabria, SpainGroup of complex sphalerite crystals with striated facets. Bright, translucent and with a toasted honey color. Exfoliated on the back.
Size: 5.5 x 4 x 2.9 cm.
Col. Joan Astor (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.
RM2845 Twinned cerussite
Touissit, Touissit-Bou Beker, Jerada, Oriental Region, MoroccoExceptional and old specimen of cerussite from this classic Moroccan locality. It presents several divergent prismatic to tabular crystals of good size, twinned in a "V" shape. Translucent and with a smoky hue. Pure aesthetics, a very difficult specimen to get nowadays.
Size: 4.4 x 4 x 2 cm.
Main crystal: 4 x 2 cm.
Found in ±1980.
Classic locality
RM2847 "Window" quratz
Allos Pass, Uvernet-Fours, Barcelonnette, Alpes-de-Haute-Provence, Provence-Alpes-Côte d'Azur, FranceQuartz specimen with marked "window" growths with inclusions. These Allos pass crystals are not very common on the market. Allos pass is situated on the edge of Mercantour National Park approximately 20 km from the small village of Barcelonnette.
Size: 8.5 x 6.3 x 3 cm.
RM2841 Pyrite, sphalerite and crandallite
Quiruvilca Mine, Quiruvilca, Santiago de Chuco, La Libertad, PerúGroup of octahedral pyrite crystals, very brilliant and well defined, which are accompanied by complex crystals of sphalerite. On them we observed numerous white globular crandallite aggregates (analyzed by XRD). This combination of minerals is unusual in the deposit, with this phosphate being the first citation.
Size: 5.5 x 5.3 x 2.7 cm.
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