Rosell Minerales
RM3142 Normandite
Partomchorr Mt., Khibiny Massif, Murmanskaja Oblast', Northern Region, RussiaRadial aggregates of normandite, of intense orange color and with transparency. They are disposed in a matrix with aegirine/augite and analcime. Under LW-UV light the white matrix shows some fluorescence with intense orange spots. From the alkaline pegmatites of the Kola peninsula.
Size: 5.8 x 3.6 x 2.3 cm.
RM3141 Twinned cinnabar and dolomite
Chatian Mine, Chatian Hg-Zn ore field, Fenghuang Co., Xiangxi, Hunan, ChinaTwinned cinnabar, with well defined faces and edges, red color slightly silvery, well formed and almost 2 cm in size. It is disposed in a very aesthetic way on dolomite crystals. At the time, this locality produced world-class specimens such as the one we offer. Simply spectacular.
Size: 7.4 x 5.5 x 5.2 cm.
Main crystal: 18 x 10 mm.
RM3108 Microcline Carlsbad twin, albite and muscovite
Shigar Valley, Skardu, Gilgit, Baltistan, PakistanTwinned crystal of very good size from microcline, with very well defined faces, brilliant and white in color with orange stains. From what we can see, the main crystal is formed by a Carlsbad twin whose union plane is (010). It can be seen that the brilliance of both crystals is different. It is accompanied by albite (var. clevelandite) and muscovite. Microcline specimens such as this one can be considered among the best finds in recent years. It belonged to a great collector of feldspars such as Peter Seroka (L'Escala, Girona, Catalonia).
Size: 12.8 x 7.9 x 6.3 cm.
Found in ±2015.
Col. P. Seroka #703
Classic locality
RM3096 Cuprodongchuanite, hemimorphite and veszelyite
Sanguozhuang, Dongchuan, Kunming, Yunnan, ChinaCuprodongchuanite is a mineral species with the formula Pb4CuZn2(PO4)4(OH)2 that has been approved very recently (IMA No. 2021-065); is the copper analogue of dongchuanite (IMA No. 2021-058) with the formula Pb4ZnZn2(PO4)4(OH)2. Both species form a series and belong to the dongchuanite group, together with the zheshengite Pb4ZnZn2(AsO4)2(PO4)2(OH)2 and the cuprozheshengite Pb4CuZn2(AsO4)2(PO4)2(OH)2. Distinguishing one species from another is only possible by elemental analysis. For this reason these specimens have been analyzed by SEM-EDS.
In this specimen we have determined the cuprodongchuanite. The presence of As is detected in all the specimens studied, which would indicate that we are in a term of the series with cuprozheshengite. It would be correct to label it cuprodongchuanite-cuprozheshengite. It appears as light green globular aggregates on the colorless hemimorphite. The bluish color on the specimen is veszelyite.
Size: 2.2 x 2.1 x 1.2 cm.
Type Locality

RM3097 Cuprodongchuanite, veszelyite and hemimorphite
Sanguozhuang, Dongchuan, Kunming, Yunnan, ChinaCuprodongchuanite is a mineral species with the formula Pb4CuZn2(PO4)4(OH)2 that has been approved very recently (IMA No. 2021-065); is the copper analogue of dongchuanite (IMA No. 2021-058) with the formula Pb4ZnZn2(PO4)4(OH)2. Both species form a series and belong to the dongchuanite group, together with the zheshengite Pb4ZnZn2(AsO4)2(PO4)2(OH)2 and the cuprozheshengite Pb4CuZn2(AsO4)2(PO4)2(OH)2. Distinguishing one species from another is only possible by elemental analysis. For this reason these specimens have been analyzed by SEM-EDS.
In this rich specimen we have determined cuprodongchuanite aggregates. The presence of As is detected in all the specimens studied, which would indicate that we are in a term of the series with cuprozheshengite. It would be correct to label it cuprodongchuanite-cuprozheshengite. It occurs as light green globular aggregates on very well defined veszelyite crystals and on a matrix with hemimorphite.
Size: 3 x 2.2 x 1.4 cm.
Type Locality

RM3095 Cuprodongchuanite, hemimorphite and veszelyite
Sanguozhuang, Dongchuan, Kunming, Yunnan, ChinaCuprodongchuanite is a mineral species with the formula Pb4CuZn2(PO4)4(OH)2 that has been approved very recently (IMA No. 2021-065); is the copper analogue of dongchuanite (IMA No. 2021-058) with the formula Pb4ZnZn2(PO4)4(OH)2. Both species form a series and belong to the dongchuanite group, together with the zheshengite Pb4ZnZn2(AsO4)2(PO4)2(OH)2 and the cuprozheshengite Pb4CuZn2(AsO4)2(PO4)2(OH)2. Distinguishing one species from another is only possible by elemental analysis. For this reason these specimens have been analyzed by SEM-EDS.
In this specimen we have determined the cuprodongchuanite. The presence of As is detected in all the specimens studied, which would indicate that we are in a term of the series with cuprozheshengite. It would be correct to label it cuprodongchuanite-cuprozheshengite. It appears as light green globular aggregates on the colorless hemimorphite. The bluish color of the specimen is due to the fact that the hemimorphite covers veszelyite crystals.
Size: 6.2 x 4 x 2.8 cm.
Type Locality

RM3090 Monazite-(Ce), Columbite-(Fe), enalite(?)
Ilmen Mountains, Chelyabinsk Oblast, RussiaThis sample comes from the Freiberg Bergakademie and is accompanied by a label from the end of the 19th century and beginning of the 20th. In this old label we can read that the specimen was identified as monazite. To corroborate this fact together with the other accompanying minerals, we proceeded to carry out analyzes by SEM-EDS. The results indicated that the crystals from honey to dark tones, with a vitreous luster, correspond to monazite-(Ce), which is accompanied by rare earth elements such as neodymium or lanthanum, replacing cerium. We also detected the presence of thorium, which explains why the piece shows some radioactive activity. In the potassium feldspar matrix, with quartz, we can observe small black crystals with a metallic luster that would correspond to members of the columbite-(Fe)-columbite-(Mn) series. We have also detected a thorium phosphate-silicate with REE and aluminum traces, with a composition similar to enalite, an independent member of the xenotime-thorite group, although we have not been able to confirm it. We will send the buyer all the analyzes that give this specimen a remarkable mineralogical value.
Size: 6.4 x 5.2 x 3.5 cm.
Found in s. XIX.
Freiberg Bergakademie
Analyzed specimen with report

RM3087 Heulandite and celadonite
Jalgaon, Maharashtra, IndiaSuperb specimen of heulandite with aggregates of crystals up to 4 cm long, very well defined, translucent, faceted and in parallel growth. They present inclusions of celadonite, a species on which they stand out. An undamaged specimen of considerable size. The collection label will be send to the buyer.
Size: 9.5 x 8.8 x 5.7 cm.
Main crystal: 4.2 cm.
Found in ±2006.
Col. Miquel Marí-Ana García (Castelló)
RM3084 Lorenzenite
Selsurt Mountain, Lovozersky, Murmansk Oblast, RussiaLorenzenite is a rare sodium titanium silicate found in nepheline pegmatites and syenites. In this specimen we can enjoy two bright, well-defined, brown crystals on matrix. A specimen from the Joan Astor Collection.
Size: 4.6 x 3.7 x 2.5 cm.
Main crystal: 10 mm & 7 mm.
Found in ±1990.
Col. Joan Astor (Barcelona).
RM3057 Columbite-(Mn) and Albite
Shengus, Haramosh Mts., Skardu, Gilgit, Baltistan, PakistanIn this specimen we can enjoy different columbite crystals, one of them predominant, although there are smaller, transparent and reddish ones. The analyzes of the specimen indicate the majority presence of niobium and manganese, so it is a columbite-(Mn) (you can check analysis in pictures). The main crystal stands out for its faceting, it has a small dent without affecting the quality of the piece. It comes from the collection of Michel Jouty (1930-2016).
Size: 5.7 x 5.4 x 3.8 cm.
Main crystal: 8 x 7 mm.
Excol. Michel Jouty
Analyzed specimen with report

RM3078 Cerussite reticulated twin
Nakhlak Mine, Madan-e Nakhlak, Anarak, Nain Co., Isfahan, IranSuperb specimen of cerussite in sextuple reticulated twins with a very good size, a highly appreciated classic of Iranian mineralogy. It is not an easy task to find specimens with such a visible grid and size. They present a very remarkable brightness and definition, translucent and white, slightly pinkish. They are also known as "snowflake" cerussite. The unusual size of this specimen, added to its quality, make it worthy of the best collections.
Size: 8 x 5.8 x 4.6 cm.
RM3023 Cerussite reticulated twin
Nakhlak Mine, Madan-e Nakhlak, Anarak, Nain Co., Isfahan, IranThis is an excellent specimen of cerussite in reticulated sixling-twin tabular crystals, a highly appreciated classic of Iranian mineralogy. It is not easy to find specimens with such a visible grid. They have a very remarkable brilliance and definition, translucent and snowy white much superior to what is usually seen. They are also known as "snowflake" cerussite. Good size and excellent aesthetics.
Size: 4 x 3.7 x 2 cm.
RM3022 Cerussite reticulated twin
Nakhlak Mine, Madan-e Nakhlak, Anarak, Nain Co., Isfahan, IranThis is an excellent specimen of cerussite in reticulated sixling-twin tabular crystals, a highly appreciated classic of Iranian mineralogy. It is not easy to find specimens with such a visible grid. They have a very remarkable brilliance and definition, translucent and snowy white much superior to what is usually seen. They are also known as "snowflake" cerussite. Good size and excellent aesthetics.
Size: 3.8 x 3.7 x 2.3 cm.
RM3021 Cerussite reticulated twin
Nakhlak Mine, Madan-e Nakhlak, Anarak, Nain Co., Isfahan, IranThis is an excellent specimen of cerussite in reticulated sixling-twin tabular crystals, a highly appreciated classic of Iranian mineralogy. It is not easy to find specimens with such a visible grid. They have a very remarkable brilliance and definition, translucent and snowy white much superior to what is usually seen. They are also known as "snowflake" cerussite. Good size and excellent aesthetics.
Size: 4.9 x 3.9 x 2.5 cm.
RM2989 Zunyite
Qualat-e-Balat salt dome, Bandar Abbas, Hormozgan, IranVery sharp single zunyite crystal with good luster, coloured by red hematite inclusions and with some small brilliant foliaceous hematite partially included in faces. Very clean tetrahedron form, truncated by cubic faces. Tetrahedron edge is 9.7 mm. A good sized and perfect crystallographic specimen of this unusual species, a rare sorosilicate of aluminum and chlorine, with fluorine. Analized by X-ray difraction and X-ray fluorescence.
Size: 9.7 x 9.5 x 9.2 mm.
Main crystal: 9.7 mm arista/edge.
Found in 2018.
Analyzed specimen with report

RM2985 Hydroboracite
Bigadiç Mine, Bigadiç, Balikesir, TurkeyExcellent specimen of hydroboracite, with a very good size, formed by numerous radial aggregates of acicular crystals. Very good brilliance, transparence and with color zoning, between colorless to slightly honeyed. This specimen has a former owner's label fixed to the back side. A display museum specimen.
Size: 8.8 x 6.7 x 4.3 cm.
Main crystal: 2.8 cm.

RM2975 Fluorite, quartz and calcite
Qinglong Mine, Qinglong County, Qianxinan, Guizhou, ChinaThese fluorite crystals have a cubic appearance with growths in tiles on the surfaces of the faces. In this specimen we observe a more intense violet to purple color on the edges and on the outside of the crystals, while inner core has a soft green color. They are disposed on a matrix with quartz crystals. Under shortwave ultraviolet light they fluoresce bluish.
Size: 6.8 x 5.5 x 3 cm.
Main crystal: 2.1 cm. edge/arista.
Fluorescent under long wave UV
RM2974 Fluorite and calcite
Qinglong Mine, Qinglong County, Qianxinan, Guizhou, ChinaGroup of slightly beveled cubic fluorite crystals with polysynthetic growths on the faces and edges. They have a more intense purple color on the edges, very characteristic of these specimens from the Qinglong mine in China. Between translucent to transparent. They are disposed on a matrix with calcite and quartz.
Size: 7.8 x 7 x 3.5 cm.
Main crystal: 10 mm edge/arista.
RM2973 Fluorite and quartz
Qinglong Mine, Qinglong County, Qianxinan, Guizhou, ChinaGroup of fluorite crystals with a cubic shape, but with the edges and vertices beveled by forms of the trisoctahedron. These beveled edges display a deep purple color that contrasts with the rest of the crystal. They are translucent and stand out on a matrix with small quartz crystals. Under long-wave ultraviolet light they emit a bluish to violet color. A very aesthetic specimen.
Size: 8.2 x 5 x 5 cm.
Main crystal: 8 mm edge/arista.
Fluorescent under long wave UV
RM2953 Gyrolite and Okenite
Malad Quarry, Malad, Mumbai, Maharashtra, IndiaGroup of globular aggregates of gyrolite, with a very good size, white and translucent. They are accompanied in the vacuole with fine acicular crystals of okenite. The photos do not do the piece justice. Very aesthetic.
Size: 10.5 x 7.8 x 6.3 cm.
RM2836 Iowaite, var. chromium-bearing Iowaite, Stichtite, serpentine
Kaznakhtinskii massif, Ust-Koksinsky, Altai Republic, RussiaCompact mass of purple chromian iowaite with minor inclusions of greenish-brown serpentine. Iowaite is one of the former minerals on the locality and mostly replaced by stichtite, which forms a similar aggregates but is more light, lilac coloured.
Size: 7.6 x 4 x 2.7 cm.
RM2833 Native silver and pearceite-T2ac
Sarbaiskoe (Sarbai) deposit, Rudny, Kostanay, KazakhstanRich specimen showing wire aggregates of native silver, curved, with curls, shiny and with a very aesthetic golden tone. Some have darker areas of acanthite. They are accompanied by small but well-formed hexagonal pearceite-T2ac crystals. With calcite matriz. This piece is surprising when looking at the cavities under magnification. It berlongs from the Sarbaiskoe deposit, the best known silver producing area in Kazakhstan. Very rare to find specimens from this locality.
Size: 5 x 4.8 x 3.1 cm.
Found in ±1990.
RM2811 Achtaragdite, hydrogrossular-chlorite-carbonate pseudomorph
Akhtaragda River mouth, Vilyui River Basin, Mirninsky, Sakha Republic, RussiaAchtaragdite is a unique, rare and poorly understood pseudomorph, from this remote Siberian locality that is the Type Locality for grossular garnet. It is a variety of the grossular-hibschite garnet series and is (technically, according to mindat) a hydrogrossular-chlorite-carbonate pseudomorph after what was formerly considered to be wadalite or some other rare hydrogarnet. The real precursor mineral for these pseudomorphs is now considered to be helvite.
Size: 4.2 x 3.4 x 3.2 cm.
RM2810 Achtaragdite, hydrogrossular-chlorite-carbonate pseudomorph
Akhtaragda River mouth, Vilyui River Basin, Mirninsky, Sakha Republic, RussiaAchtaragdite is a unique, rare and poorly understood pseudomorph, from this remote Siberian locality that is the Type Locality for grossular garnet. It is a variety of the grossular-hibschite garnet series and is (technically, according to mindat) a hydrogrossular-chlorite-carbonate pseudomorph after what was formerly considered to be wadalite or some other rare hydrogarnet. The real precursor mineral for these pseudomorphs is now considered to be helvite.
Size: 4.7 x 4.5 x 3.9 cm.
RM2809 Achtaragdite, hydrogrossular-chlorite-carbonate pseudomorph
Akhtaragda River mouth, Vilyui River Basin, Mirninsky, Sakha Republic, RussiaAchtaragdite is a unique, rare and poorly understood pseudomorph, from this remote Siberian locality that is the Type Locality for grossular garnet. It is a variety of the grossular-hibschite garnet series and is (technically, according to mindat) a hydrogrossular-chlorite-carbonate pseudomorph after what was formerly considered to be wadalite or some other rare hydrogarnet. The real precursor mineral for these pseudomorphs is now considered to be helvite.
Size: 6 x 4.3 x 3.6 cm.
Main crystal: 3 x 2.2 cm.
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