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RM870   Galena with siderite

San Valentín Open pit, Sierra Minera de Cartagena-La Unión, Sancti Spiritu, La Unión, Murcia, Spain

Pure crystallography... Very nice galena crystal showing cube and developed octahedron faces. Perfectly disposed on a grenalitic rocky matrix with siderite.


Size: 7.0 x 6.5 x 4.3 cm.
Main crystal: 9 x 8 mm.
Found in 2013.

 

RM782   Hemimorphite with goethite

San Valentín Open pit, Sierra Minera de Cartagena-La Unión, Sancti Spiritu, La Unión, Murcia, Spain

From a recent find in the Valentín open pit, we get these hemimorphite specimens showing aggregates of flattened prismatic crystals as aesthetic rosettes. They are partiallly filling cavities in the matrix. These samples have been analyzed and we will send a copy to the buyer.


Size: 7,5 x 6,3 x 4,5 cm.
Found in 2014.

 

RM784   Hemimorphite with goethite

San Valentín Open pit, Sierra Minera de Cartagena-La Unión, Sancti Spiritu, La Unión, Murcia, Spain

From a recent find in the Valentín open pit, we get these hemimorphite specimens showing aggregates of flattened prismatic crystals as aesthetic rosettes. They are partiallly filling cavities in the matrix. These samples have been analyzed and we will send a copy to the buyer.


Size: 7,5 x 3,5 x 2,5 cm.
Main crystal: 8 x 5 mm (aggr).
Found in 2014.

 

RM1229   Baryte with calcite

San Pedro mine, Sierra de Enmedio, Almendricos, Lorca, Murcia, Spain

Aesthetic group of well-developed baryte crystals from this Murcian locality. They are disposed forming a "open-book" shape with parallel growth. They stand out as being covered with small, bright and transparent crystals of calcite, some chalcedony, peppered by small crystals of goethitized pyrite and manganese oxydes. A piece of an unusual locality not easy to find in the mineral market.


Size: 8.7 x 5.8 x 4.4 cm.
Main crystal: 35 x 25 mm.
Found in 2011.

 

RM798   Sulfur with calcite

La Serrata mines, La Serrata, Lorca, Murcia, Spain

Good size sulfur crystal from a classic Spanish locality, but a not well-known outcrop. It shows very well defined faces and edges, good brilliance and an excellent canary yellow to slightly orange color. Disposed and protected in a vug vovered by calcite crystals. A fine Spanish sulfur specimen.


Size: 9,4 x 7,5 x 5,8 cm.
Main crystal: 10 x 6 mm.
Found in 2013.

 

RM1086   Lavendulan with arsencrandallite, yukonite, conichalcite and azurite

La Reconquistada claim, Calicata cercana de la mina Dolores, Pastrana, Mazarrón-Águilas, Murcia, Spain

Very aesthetic sprays of fan-shaped lavendulan crystals, with an intense blue color and perfectly defined under magnifiying glass. It is accompanied by green botryoidal aggregates of conichalcite (mainly in back side) and some azurite. Also yellowish spherules of arsencrandallite and brown yukonite. Lavendulan from Pastrana has been famous for its intensity of color and its crystallization.
The small prospect in La Reconquistada claim is near of the former Dolores iron mine, in the same area of La Atalaya and Umbria de Ramonete (Lorca) small mining operations for the attempted extraction of copper ores.


Size: 6.0 x 4.7 x 3.6 cm.

 

RM1530   Dolomite

Azkarate Quarry, Eugi, Esteribar, Nafarroa (Navarra), Spain

Group of rhombohedral crystals of dolomite, some of them twinned, with very defined faces and edges. They show striated faces, transparency and brilliance. With curious grayish inclusions disposed ramdomly in the crystal core. A classic specimen for the Spanish mineralogy.


Size: 8.5 x 8.5 x 6.5 cm.
Main crystal: 30 x 24 mm.

 

RM1794   Dolomite with Manganese oxyde

Azkarate Quarry, Eugi, Esteribar, Nafarroa (Navarra), Spain

Very curious specimen of dolomite from this classic Navarrese locality, which shows a rich group of rhombohedral crystals, some with small negative rhombohedron faces and very sharp edges. They are partially coated with manganese oxides that give them a black and dull surface. This kind of specimens are very unusual in collections.


Size: 7.8 x 6.3 x 4.9 cm.
Main crystal: 18 x 17 mm.

 

RM1607   Fluellite

Azkarate Quarry, Eugi, Esteribar, Nafarroa (Navarra), Spain

This is one of the last fluellite specimens obtained from the fissure appeared in March 2000, where beautiful specimens of this rare phosphate were collected. This specimen was in the discoverer's collection for years. IVery well defined crystals, showing dipyramidal forms truncated by pinacoid, colorless to slightly violet, on a brilliant iridiscent matrix. A very distinctive specimen of the usual for this Navarrese mine, where it is impossible to get specimens. An opportunity to get a historical and very displayable specimen.


Size: 6.7 x 5.5 x 2.3 cm.
Main crystal: 2 x 1 mm.
Found in 03-2000.

 

RM1862   Magnesite and dolomite

Azkarate Quarry, Eugi, Esteribar, Nafarroa (Navarra), Spain

This piece is formed by several interpenetrated lenticular yellowish crystals of magnesite, accompanied by dolomite rhombohedrons on matrix. We especially note the rare richness of magnesite crystals in the sample. Good sized and from a classic Spanish locality.


Size: 9.5 x 7.5 x 4.5 cm.
Main crystal: 15 x 12 mm.
Found in ±1998

Fluorescent under long wave UV
 

RM1606   Minyulite with crandallite, fluellite and metavariscite

Azkarate Quarry, Eugi, Esteribar, Nafarroa (Navarra), Spain

Aesthetic and good sized minyulite specimen that shows a rich group of prismatic acicular crystals. Minyulite is a rare aluminum and potassium fluorophosphate, which in this quarry has had a remarkable deposit. Few specimens were collected between the years 1999 and 2000. To increase quality, it is accompanied in the matrix by white crandallite crystals pseudom. after fluellite, transparent and defined crystals of fluellite and stalactitic globular aggregates of metavariscite with a greenish tone. These specimens are impossible to obtain today.


Size: 7.5 x 4.5 x 4.0 cm.
Main crystal: 10 mm aggr.
Found in 1999-2000.

 

RM742   Pyrite with calcite and fluorite

Villabona mines, Villabona, Llanera, Asturias, Principado de Asturias, Spain

A very rich group of pyrite crystals forming a globular aggregate, very brilliant, with an intense color and hinting cubic faces. It is disposed very aerial on the matrix with rhombohedral calcite crystals and yellow fluorite. To increase its aesthetics a single calcite crystal has grown on the pyrite. A unusual specimen for this mine where pyrite is often found in small crystals coating the fluorite.


Size: 11,0 x 7,3 x 6,5 cm.
Main crystal: 3,7 x 3,0 cm (aggr).

 

RM394   Fluorite

Jaimina mine, Caravia, Prado, Asturias, Principado de Asturias, Spain

Group of fluorite crystals with an intense luster, violet tones with color zoning more intense in the crystal core and geometric in faces. They show polysynthetic growths on faces that give them a particular shape. With some minor damages on some edges, but overall aesthetic. The sample is from an old German collection. A Spanish classic.


Size: 4,8 x 3,8 x 3,8 cm.
Main crystal: 23 x 23 mm.
Found in 1984

 

RM781   Tetrahexahedral fluorite with barite

Jaimina mine, Caravia, Prado, Asturias, Principado de Asturias, Spain

Group of very sharp fluorite crystals with good transparence and brilliance, with a bluish color, well disposed very aerial on a barite matrix. We would like to emphisize the size of the main crystal and its good definition, showing perfectly tetrahexahedron faces with an interesting slight curvature. A classic from Asturies.


Size: 6,0 x 4,2 x 4,0 cm.
Main crystal: 24 x 23 mm.
Found in 2005.

Fluorescent under long wave UV


 

RM749   Tetrahexahedral fluorite with Baryte

Jaimina mine, Caravia, Prado, Asturias, Principado de Asturias, Spain

These crystals show astonishing sharpness of tetrahexahedron faces, together with the less developed cube. Crystals are uncolored (under halogen light) or slightly bluish (under fluorescent light), bright and completely clear and are scattered over an esthetic matrix of white crystals of barite. A high-quality specimen that belonged to the Silvane (Barcelona) collection.


Size: 6,6 x 5,5 x 2,7 cm.
Main crystal: 9 x 8 mm.
Found in 1995.

Ex-col. Silvane (Sr. Amigó).
Fluorescent under LW-UV and SW-UV lights


 

RM741   Fluorite with quartz

Cuetu l'Aspa, Berbes Mining area, Ribadesella, Asturias, Principado de Asturias, Spain

A very rich group of interpenetrated fluorite crystals with cubic forms with beveled edges by the dodecahedron. Very sharp and with a really intense color, that varies depending on the incident light, between blue-violet to purple. A high quality Spanish fluorite specimen, from my own collection.


Size: 5,0 x 4,7 x 3,5 cm.
Main crystal: 12 x 11 mm.

Ex-col. Joan Rosell.


 

RM1796   Digenite psedomorph after pyrite

Sellent river, Chella, Valencia, Spain

These specimens are showing a complete pseudomorph of digenite (trigonal, Cu9S5) after pyrite (cubic, FeS2). We can see that crystals preserve the original cubic shape, with slightly curved edges and faces partially covered with greenish-colored malachite. A Spanish curiosity for pseudomorph lovers.


Size: 5.2 x 2.8 x 2.5 cm.
Main crystal: 5 x 4 mm.
Found in 2017.

 

RM1795   Digenite pseudomorph after pyrite

Sellent river, Chella, Valencia, Spain

These specimens are showing a complete pseudomorph of digenite (trigonal, Cu9S5) after pyrite (cubic, FeS2). We can see that crystals preserve the original cubic shape, with slightly curved edges and faces partially covered with greenish-colored malachite. A Spanish curiosity for pseudomorph lovers.


Size: 5.1 x 4.4 x 2.8 cm.
Main crystal: 3 x 3 mm.
Found in 2017.

 

RM1877   Digenite pseudomorph after pyrite

Sellent river, Chella, Valencia, Spain

hese specimens are showing a complete pseudomorph of digenite (trigonal, Cu9S5) after pyrite (cubic, FeS2). We can see that crystals preserve the original cubic shape, with slightly curved edges and faces partially covered with greenish-colored malachite. A Spanish curiosity for pseudomorph lovers. We will send analysis to the buyer.


Size: 4.2 x 3.8 x 3.4 cm.
Main crystal: 3 x 3 mm.
Found in 2017.

Analyzed specimen with report


 

RM1183   Quartz eisenkiesel (Jacinto de Compostela) with gypsum

CV-35 highway, Domeño, Valencia, Spain

Very aesthetic quartz (eisenkiesel or Jacinto de Compostela var.) crystal, showing defined faces and edges, with a reasonable size for the locality. Perfect luster and some transparency, with deep red color. In a gypsum matrix. From a different Spanish locality than usual ones.


Size: 5.1 x 3.2 x 2.9 cm.
Main crystal: 16 x 7 mm.
Found in 2014.

 

RM1184   Quartz eisenkiesel (Jacinto de Compostela) with gypsum

CV-35 highway, Domeño, Valencia, Spain

Very aesthetic quartz (eisenkiesel or Jacinto de Compostela var.) crystal, showing defined faces and edges, with a good size for the locality. Perfect luster, with deep red color. In a gypsum matrix with another small crystal. From a different Spanish locality than usual ones.


Size: 6.4 x 4.5 x 4.2 cm.
Main crystal: 15 x 8 mm.
Found in 2014.

Price: 40 €Reserved
 

RM1414   Quartz eisenkiesel (Jacinto de Compostela) with gypsum

CV-35 highway, Domeño, Valencia, Spain

Very aesthetic quartz (eisenkiesel or Jacinto de Compostela var.) crystal, showing defined faces and edges, with a good size for the locality. Perfect luster, with deep red color. In a gypsum matrix. From a different Spanish locality than usual ones.


Size: 7.2 x 5.5 x 2.8 cm.
Main crystal: 22 x 10 mm.
Found in 2016.

 

RM1413   Quartz eisenkiesel (Jacinto de Compostela) with gypsum

CV-35 highway, Domeño, Valencia, Spain

Very aesthetic quartz (eisenkiesel or Jacinto de Compostela var.) crystal, showing defined faces and edges, with a good size for the locality. Perfect luster, with deep red color. In a gypsum matrix. From a different Spanish locality than usual ones.


Size: 6.3 x 4.5 x 3.5 cm.
Main crystal: 17 x 8 mm.

Excol. J.C. Tarín
 

RM1082   Datolite with calcite and quartz

Los Serranos quarry, Fondó dels Frares, Albatera, Alacant, Valencia, Spain

Group of datolite crystals, very rich in faces, translucent-white and well defined. They are on a matrix with calcite and quartz, with some epidote-clinozoisite. A piece of a well-known Spanish quarry from where nowadays is very difficult obtain samples because they are not making new blastings.


Size: 6.5 x 4.5 x 3.7 cm.
Main crystal: 4 x 3 mm.
Found in ca. 2005.

 

RM2189   Epidote and quartz

Los Serranos quarry, Fondó dels Frares, Albatera, Alacant, Valencia, Spain

Very aesthetic group of deep green epidote fan-shaped aggregates on matrix. Epidotes have a good luster and intense green colour. There are some gemmy quartz crystals emerging from the epidote. The original label we will send to the buyer indicates that those crystals are clinozoisite, but recent studies show that all the analyzed specimens are epidote (Calvo, M., Subías, I. (2017): Epidote (not clinozoisite) and andradite garnet from Los Serranos quarry, Cabezo Negro, Albatera, Alicante. Mineral Up, 4:44-47).

 


Size: 6.8 x 6.2 x 4.3 cm.
Main crystal: 1 cm. aggr.
Found in 2012.

 
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