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RM384   Bastnäsite-(Ce) with talc and dolomite

Trimouns talc quarry, Luzenac, Ariège, Midi-Pyrénées, France

This 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, Zambia

Hopeite 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, Spain

A 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, Zambia

Hopeite 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, Germany

The 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 65€
 

RM376   Pyromorphite

Resuperferolítica mine, Solana de la Canaleja, Santa Eufemia, Córdoba, Andalucía, Spain

Group 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, Spain

A 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, Spain

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: 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, Spain

In 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, Spain

Groups 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 80€
 

RM374   Pyromorphite on quartz

El Borracho Viejo mine, Garlitos, Badajoz, Extremadura, Spain

Groups 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 55€
 

RM373   Pyromorphite

El Borracho Viejo mine, Garlitos, Badajoz, Extremadura, Spain

A 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, Tanzania

A 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-Tafilet, Morocco

Two 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-Tafilet, Morocco

In 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-Tafilet, Morocco

A 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, Spain

A 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, Spain

A 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, Spain

Excellent 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, Spain

Excellent 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, Spain

This 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, Spain

The 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, Spain

In 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, Spain

Group 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.



 

RM348   Wulfenite

Helena Mine, Črna (Schwarzenbach), Mežica (Miess), Slovenia

A very rich sample formed by groups of butterscotch tabular thick wulfenite crystals to 9 mm on edge. NIce color, luster and defined faces and edges. This specimen is from an old German collection.
The mine has been exploited for over three centuries. The Miess lead-zinc deposits is one of the richest in Europe. The district has produced the most excellent wulfenite specimens of Europe.


Size: 7,7 x 7,0 x 5,3 cm.
Main crystal: 10 x 7 mm.

 
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