Rosell Minerales
RM2984 Mangan-diaspore
Glosam Mine, Western Belt, Northern Cape, South AfricaRare and good sized mangan-diaspore (diaspore with manganese) specimen showing brilliant, transparent to translucent, burgundy red tabular crystals disposed in an arc on matrix. We can also observe small geodes full of crystals. The Glosam Mine specimens are the only ones in the Kalahari area in which the manganese diaspore shows this intense color and brilliance. An exceptional specimen for a little-seen species.
Size: 10.2 x 8 x 6.2 cm.
Main crystal: 12 mm.

RM2954 Celestine
Tirrhist (Tighiste), Anemzi, Agoudim, Midelt Cercle, Drâa-Tafilalet, MoroccoVery esthetic specimen of celestine from Morocco. It shows us a large group of prismatic crystals of this strontium sulphate, very well defined and faceted, and with an excellent transparence that allows us to see a soft bluish color. They are disposed on a compact matrix. This locality is northeast of Imilchil town.
Size: 10.2 x 9.5 x 6.8 cm.
Main crystal: 2 cm.
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.
RM2921 Prehnite
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: 9.2 x 5.8 x 4.5 cm.
Found in 02/2022.
RM2920 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: 8.5 x 5 x 4.7 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.
RM2900 Purpurite
Namakwa, Northern Cape, South AfricaGood size specimen of purple, from the old Arguijo collection.
Size: 7.7 x 6 x 5.7 cm.
Found in ±1985.
Col. A. Arguijo (L'Hospitalet de Llobregat, Barcelona).

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.
RM2894 Skutterudite, calcite and quartz
Bou Azzer, Tazenakht, Ouarzazate, Souss-Massa-Draâ, MoroccoA very good size specimen of skutterudite, with well defined and very brilliant crystals. With quartz crystals. A nice showcase specimen.
Size: 12.5 x 6.7 x 6 cm.
Found in ±2019.
Classic locality
RM2893 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: 7.9 x 7.2 x 5 cm.
Main crystal: 1.2 cm.
Found in ±2019.
Classic locality
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.
RM2888 Kolwezite, malachite and calcite Co
Musonoi Mine, Kolwezi, Katanga, Congo, Democratic Republic ofGlobular aggregates of kolwezite, light to intense green in color. They contrast on a matrix with cobalt-bearing calcite crystals.
Size: 4.6 x 3.9 x 3.8 cm.
Found in ±2010.
RM2885 "Laminar" calcite and pyrite
El Hammam Mine, Djebel el Hammam, Meknès, Meknès-Tafilalet, MoroccoGroup of fine, laminar, pseudohexagonal calcite crystals with color zoning and small recrystallizations of the same mineral. They are accompanied by small quartz and pyrite crystals. It belongs from the Manchion collection (Barcelona).
Size: 5.1 x 3.9 x 3.4 cm.
Main crystal: 2.3 cm.
Found in ±1991.
Col. Manchion (Barcelona).
Classic locality

RM2872 Vanadinite and baryte
Mibladen, Midelt, Drâa-Tafilalet, MoroccoVery curious specimen formed by a matrix of baryte, on one side with lenticular crystals sprinkled with vanadinite and on the other with cavities in which aggregates of vanadinite crystals have grown, with color zoning. An old piece with handwritten label.
Size: 10.6 x 8 x 2.2 cm.
Main crystal: 5 mm.
Found in ±1990.
Col. Manchion (Barcelona).

RM2870 Smithsonite
Tsumeb mine (Tsumcorp), Tsumeb, Otjikoto, NamibiaAn old specimen of smithsonite, with an orange to pink hue, formed by numerous highly faceted crystals, with curved edges and disposed on a matrix with galena, iridescent chalcopyrite and other sulfides. A good sized classic...
Size: 7 x 5 x 4 cm.
Main crystal: 1 cm.
Found in ±1985.
Col. Manchion (Barcelona).
Analyzed specimen with report

RM2855 "Window" smoky quartz with inclusions
Jbel Amalo nTarhis, Imilchil, Er Rachidia, Meknès-Tafilalet, MoroccoAn excellent specimen of quartz, with a slight smoky tone, which presents very aesthetic "window" geometric growths. Doubly terminated and with complex crystallography. With inclusions. Not very seen in the market.
Size: 6.2 x 3.6 x 2.6 cm.
Found in ±2020.
RM2856 "Window" smoky quartz with inclusions
Jbel Amalo nTarhis, Imilchil, Er Rachidia, Meknès-Tafilalet, MoroccoAn excellent specimen of quartz, with a slight smoky tone, which presents very aesthetic "window" geometric growths. Doubly terminated and with complex crystallography. With inclusions. Not very seen in the market.
Size: 6.3 x 3.8 x 3 cm.
Found in ±2019.
RM2854 Hematite
Taouz mine, Tadaout, Taouz, Er Rachidia, Meknès-Tafilalet, MoroccoNice botryoidal specimen of hematite, very brilliant. In the fracture zone we can see radial growths. A Moroccan curiosity.
Size: 8 x 5.8 x 3.6 cm.
Found in 2018.
RM2853 Globular and stalactitic Malachite
L'Etoile du Congo Mine, Lubumbashi, Katanga, Congo, Democratic Republic ofVery aesthetic specimen that shows various globular and stalactitic aggregates of malachite, velvety and green color with zoning. Peppered by small malachite crystals, under the magnifying glass we can see that they are small transparent and defined crystals. In a matrix with goethite. From this classic Congolese locality for the species.
Size: 10.5 x 5.6 x 4.5 cm.
Classic locality
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.
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
RM2826 Columbite-(Mn), columbite-tantalite series
Etiro pegmatites, Etiro Farm 50, Karibib, Erongo, NamibiaA good size crystal of columbite-(Mn) that shows parallel growths on the faces, with striations, intense luster and black color. The accompanying handwritten label indicates that it belongs from the Etiro pegmatites, in Namíbia, a locality of which few specimens have been seen in the market. The piece belongss from H.G. Hoppert. Sample has been analyzed and the results, as can be seen in the attached documents, indicate it contains more Mn than Fe, a columbite, but with values of Nb-Ta in the border area with tantalite domain. All results will be sent to the buyer.
Size: 4.8 x 3.8 x 1.7 cm.
Found in ±1970.
Col. H.G. Hoppert.
Analyzed specimen with report

RM2813 Cerussite and baryte
Mine des O, Mibladen, Khénifra, Meknès-Tafilalet, MoroccoVery brilliant specimen formed by various cerussite crystals, with a cyclic twin, well defined and translucent. They exhibit intense yellow fluorescence under LW-UV light. They are disposed on an upholstered matrix of small crystals of the same species and, to give an aesthetic touch, a group of orange baryte crystals.
Size: 5.8 x 5.8 x 4.2 cm.
Main crystal: 23 x 21 mm.
Found in 2018.
Col. A. Arguijo (L'Hospitalet de Llobregat, Barcelona).
Fluorescent under long wave UV
RM2773 Baryte
Jbel Aouam, El Hammam Caïdat, Aguelmous Cercle, Khénifra, Béni Mellal-Khénifra, MoroccoThese baryte crystals are very different from the usual ones that we can see coming from this Moroccan locality and even from other deposits famous for baryte. These are prisms of different orders, the predominant third order, truncated by the second order. We observe that a white geometric growth has formed and only affects certain faces of the rhombic prisms. This zoning is unusual for the species. The crystals are transparent and brilliant.
Size: 6 x 3.1 x 0.6 cm.
Found in 2021.
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