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RM3059   Kyanite

La Rahije (El Molinillo), Canillas de Aceituno, Málaga, Andalucía, Spain

Laminar crystals of kyanite, with a bluish tone, from this deposit located on the road between Canillas del Aceituno and Sedella. This specimen belongs from the Peter Seroka collection and is accompanied by the label.


Size: 7 x 6.6 x 3.7 cm.
Main crystal: 42 mm.
Found in ±1998.

Col. Peter Seroka (#222).


Price: 55 €Buy
 

RM3047   Kyanite

El Zahurdón, Zona del Puerto del Cardoso, Montejo de la Sierra, Comunidad de Madrid, Spain

Kyanite specimens from this border area between the towns of Montejo de la Sierra (Madrid) and El Cardoso de la Sierra (Guadalajara) have been the subject of discussion for a long time. In the area there are different deposits from which they can belong. In this specimen, the Baltasar Sánchez label is preserved, indicating the specimen from El Zahurdón, in Montejo de la Sierra. In the area we have toponyms such as Corrales de Zahurdón. Peter Seroka, to whom this piece belonged, indicates already in 1973 the presence of kyanite about 1000 m from the milestone of Km 3 of the road from Montejo to El Cardoso (Miguel Calvo's Mines and Minerals of Spain), see discussion in this link.
This specimen shows a group of kyanite crystals on a matrix with quartz, with an intense color. It is accompanied by the two mentioned labels. Very interesting...


Size: 6.7 x 4.5 x 2.2 cm.
Main crystal: 39 mm.

Col. Baltasar Sánchez; Col. Peter Seroka (#604).


 

RM3046   Beryl and muscovite

Sierra Albarrana, Hornachuelos, Córdoba, Andalucía, Spain

Beryl crystal from this classic Spanish locality, very good sized, well defined faces and with muscovite at the base. Translucent in the edges. The specimen belongs from the Peter Seroka collection and due to its number label it can be placed in the 1980s. These pieces are difficult to see today.


Size: 8 x 7 x 5.9 cm.
Found in ±1980.

Col. Peter Seroka (#482).
Classic locality


 

RM3037   Quartz (var. amethyst)

Santa Coloma de Farners, Girona, Catalunya, Spain

A Catalan new found. Group of amethyst quartz crystals in parallel growth, transparent to translucent. On quartz matrix. The area is known for historical finds of smoky quartz crystals, not so much amethyst quartz.


Size: 6 x 5.5 x 5.2 cm.
Main crystal: 11 mm.
Found in 2021-22.

Price: 55 €Buy
 

RM3036   Quartz (var. amethyst)

Santa Coloma de Farners, Girona, Catalunya, Spain

A Catalan new found. Group of amethyst quartz crystals in parallel growth, transparent to translucent. On quartz matrix. The area is known for historical finds of smoky quartz crystals, not so much amethyst quartz.


Size: 6.5 x 4.7 x 4 cm.
Main crystal: 10 mm.
Found in 2021-22.

Price: 60 €Buy
 

RM3031   Microcline Baveno Twin

Bustarviejo, Madrid, Comunidad de Madrid, Spain

Very well defined microcline crystal that shows us a very clean prism finished in complex shapes among which the Baveno twin can be observed. This specimen comes from the Peter Seroka collection and belongs from the quarries in the Bustarviejo area (Madrid).


Size: 7.8 x 2 x 2 cm.
Found in ±1990.

Col. Peter Seroka (#798).


Price: 55 €Buy
 

RM3028   Yuanfuliite, hematite, calcite and fluoro-richterite

Nuestra Señora del Carmen Mines, La Celia, Jumilla, Murcia, Spain

Rich aggregates of yuanfuliite needle like crystals, with orange-red color. They are accompanied by globular and brilliant calcite, hematite and yellow color richterite/fluoro-richterite and diopside sharp crystals. From this classic Spanish locality.


Size: 6.3 x 5.3 x 4.3 cm.

Col. Peter Seroka (#614).
Classic locality


 

RM3008   Fehrite and devilline

Les Ferreres mine, Rocabruna, Camprodon, Girona, Catalunya, Spain

Fehrite is a recent new species found in Almeria (Spain). Some years ago (2012) we identified this species in the Les Ferreres mine (Camprodon) but unfortunatelly we didn't have enough sample to finish detrmination and structural studies. Recently we found some more samples and the characterization was carried out based on the results obtained from the application of various analytical techniques: SEM-EDS, Raman and X-ray diffraction. Les Ferreres mine is the second locality worldwide for the species. We will send all reports to the buyer.
In this Catalan mine, fehrite appears as elongated elongated tabular to fibrous crystals, with a delicate bluish-green tone, and fibrous terminations. Usually, it is accompanied by devilline (blue) and brochantite (green). It is the magnesium analogue of ktenasite.


Size: 2.3 x 1.1 x 1 cm.
Found in ±2019.

Analyzed specimen with report


 

RM3006   Silver, var. kongsbergite

Santa Matilde open pit, Grupo minero Berja, Las Herrerías, Sierra Almagrera, Cuevas del Almanzora, Almería, Andalucía, Spain

These specimens are a classic from Las Herrerías mine, and they appeared many years ago. In this piece we can observe a cavity in the rock partially filled with silver foliaceous aggregates, kongsbergite variety, very brilliant and with a silver color with bronze reflections and bluish iridescence, characteristic for the species. This aesthetic and historical specimen has been analyzed and the result will be sent to the buyer. It belongs from the Rolando Gallina mineral collection (Italy).


Size: 5.1 x 5 x 3.7 cm.

Col. Rolando Gallina (Italia).
Classic locality
 

RM2994   Twinned dolomite

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

Group of twinned rhombohedral dolomite crystals with very well defined faces and edges. They show striated faces, transparence and brilliance. With gray inclusions arranged randomly, not uniform. A classic of Spanish mineralogy.


Size: 7.8 x 5.5 x 5 cm.
Main crystal: 3 x 2.5 cm. macla/twin



 

RM2987   Fehrite and devilline

Les Ferreres mine, Rocabruna, Camprodon, Girona, Catalunya, Spain

Fehrite is a recent new species found in Almeria (Spain). Some years ago (2012) we identified this species in the Les Ferreres mine (Camprodon) but unfortunatelly we didn't have enough sample to finish detrmination and structural studies. Recently we found some more samples and the characterization was carried out based on the results obtained from the application of various analytical techniques: SEM-EDS, Raman and X-ray diffraction. Les Ferreres mine is the second locality worldwide for the species. We will send all reports to the buyer.
In this Catalan mine, fehrite appears as elongated elongated tabular to fibrous crystals, with a delicate bluish-green tone, and fibrous terminations. Usually, it is accompanied by devilline (blue) and brochantite (green). It is the magnesium analogue of ktenasite.


Size: 2.1 x 1.5 x 1.2 cm.
Found in ±2019.

Analyzed specimen with report


 

RM2983   Baryte and limonite

Els Frares Quarry, Aiguafreda, Vallès Oriental, Catalunya, Spain

Baryte crystals from this quarry are a classic of Catalan mineralogy. They appear in the fissures of the slates, usually covered by iron oxydes. In this specimen we can see various groups of prismatic crystals, brilliant and transparent, rich in faces. Among them, a larger one stands out in which we can see the faces of orthorhombic prisms of various orders truncated by pinacoidal faces. Nowadays it is very difficult to find specimens in this quarry and even less with the quality we offer.


Size: 11.3 x 6.7 x 4 cm.
Main crystal: 14 x 7 mm.
Found in ±1987.

Classic locality
Price: 80 €Buy
 

RM2982   Quartz with kaolinite

Serrabal mine, Vedra, A Coruña, Galícia, Spain

Floating druse of quartz crystals forming pineapple growths, with a good luster and a slightly yellowish hue. On the backside, also crystallized, we can see the typical kaolinite layer of this deposit. It is accompanied by a limonite that was probably pyrite.
These specimens were collected in this A Coruña quarry that exploits quartz, one of the main mines in the world due to the quality and quantity of its reserves. The mine was discovered in 1968 by three Galicians who gave their name (from their surnames SEñarís, RAma and BALboa) to the concession and who found it while exploring these mountains in the Pico Sacro area in search of "seixo" (from the Galician: hard white rock) of good quality.


Size: 11 x 7.8 x 5.9 cm.
Found in 2017.

 

RM2981   Fluorite and quartz

Sant Marçal (Matagalls) mines, Sant Marçal, Massís del Montseny, Viladrau, Girona, Catalunya, Spain

Fluorite specimens from Sant Marçal mines usually appear as aggregates of cubic crystals, defined, sometimes sprinkled or partially covered by quartz crystals. Yellow to greenish tones are the usual ones. Specimens with violet to bluish colors (depending on the type of incident light) are much less frequent and highly appreciated by collectors. These specimens we offer were collected at the beginning of the 70s. Some small nick, very common in these specimens, without affecting the quality. In this specimen we can observe cubic crystals with this bluish to greenish tone, translucent and disposed on a characteristic ochy "pegmatite" matrix. They are partially covered and on with small but brilliant quartz crystals.


Size: 10 x 5.7 x 4.4 cm.
Main crystal: 9 mm. edge.
Found in ±1970.

Fluorescent under long wave UV
Price: 60 €Buy
 

RM2980   Quartz, amethyst var., and fluorite

Sant Marçal (Matagalls) mines, Sant Marçal, Massís del Montseny, Viladrau, Girona, Catalunya, Spain

The Matagalls fluorite mines are located in the Montseny massif. They are well known for fluorite, but also for quartz crystals of the amethyst variety like ones shown in this specimen. Numerous amethyst crystals are disposed on a matrix upholstered by yellowish-green fluorite, partially covered by small very brilliant calcite crystals.


Size: 8.8 x 8.2 x 4 cm.
Found in ±1970.

Fluorescent under long wave UV
 

RM2979   Fluorite and quartz

Sant Marçal (Matagalls) mines, Sant Marçal, Massís del Montseny, Viladrau, Girona, Catalunya, Spain

Fluorite specimens from Sant Marçal mines usually appear as aggregates of cubic crystals, defined, sometimes sprinkled or partially covered by quartz crystals. Yellow to greenish tones are the usual ones. Specimens with violet to bluish or green colors (depending on the type of incident light) are much less frequent and highly appreciated by collectors. These specimens we offer were collected at the beginning of the 70s. In this specimen we can observe cubic crystals with this bluish tone, translucent and disposed on a characteristic ochy "pegmatite" matrix. They are partially covered with small but brilliant quartz crystals.


Size: 6.7 x 6.5 x 3.6 cm.
Main crystal: 1.1 cm.
Found in ±1970.

Fluorescent under long wave UV
Price: 55 €Reserved

 

RM2978   Celestine

Langre, Ribamontán al Mar, Cantabria, Spain

These celestite specimens come from a classic locality on the Cantabrian coast such as Langre, together with Laredo. These are idiomorphic crystals formed within a nodule. Very brilliant, defined and transparent, with a delicate bluish color.


Size: 5.2 x 4.2 x 3.8 cm.
Main crystal: 1.3 cm.

Price: 75 €Buy
 

RM2977   Celestine

Langre, Ribamontán al Mar, Cantabria, Spain

These celestite specimens come from a classic locality on the Cantabrian coast such as Langre, together with Laredo. These are idiomorphic crystals formed within a nodule. Brilliant, defined and transparent, with a delicate bluish color.


Size: 4.9 x 3.8 x 3.1 cm.
Main crystal: 9 mm.

Price: 55 €Buy
 

RM2976   Magnesite

Impensada Mine (Magnesitas de Rubián), Pacios, O Incio, Lugo, Galicia, Spain

The Rubián Magnesite mines are a classic of Galician mineralogy. Currently these mines are active exploiting one of the largest deposits of magnesite in Spain. This specimen, which dates from the late 1970s, shows us a rich aggregate of lenticular crystals of this magnesium carbonate, brilliant, translucent, and with a very aesthetic orange color. It belongs from the Joan Astor collection, with his handwritten and another typed labels.


Size: 5 x 4.8 x 2.9 cm.
Found in ±1977.

Classic locality


 

RM2972   Fluorite

Berta quarry, El Papiol - Sant Cugat del Vallès, Barcelona, Catalunya, Spain

This specimen of fluorite from the Berta quarry shows us groups of crystals but also isolated crystals. The matrix is "old" red granodiorite and is lined by tiny, almost colorless fluorite octahedrons. If there is something to be highlighted about this piece, it is that the octahedral fluorite crystals show the faces of the rhombododecahedron, the cube and the tetrakishexahedron at the vertices.


Size: 10.4 x 3.4 x 3.3 cm.
Main crystal: 8 mm.

Fluorescent under long wave UV
 

RM2971   Fluorite and calcite

Berta quarry, El Papiol - Sant Cugat del Vallès, Barcelona, Catalunya, Spain

Group of octahedral fluorite crystals, transparent and showing an intense green color. They are accompanied by small calcite crystals, very faceted, transparent and brilliant. Both fluorite and calcite fluoresce under long-wave ultraviolet light. This type of gray granite matrix is classic for the most modern specimens and comes from the lower levels of the Berta quarry.


Size: 6.3 x 4.5 x 3.4 cm.
Main crystal: 13 mm edge/arista.

Fluorescent under long wave UV
 

RM2970   Fluorite, quartz and pyrite

Berta quarry, El Papiol - Sant Cugat del Vallès, Barcelona, Catalunya, Spain

Group of octahedral fluorite crystals, translucent to transparent. They show defined faces and edges and an intense green color. They are accompanied by small quartz and pyrite crystals peppering some of the octahedron faces. This type of gray granite matrix is classic for the most modern specimens and comes from the lower levels of the Berta quarry.


Size: 5.7 x 4.6 x 2.1 cm.
Main crystal: 12 mm edge.

Fluorescent under long wave UV
 

RM2969   Fluorite and quartz

Sant Marçal (Matagalls) mines, Sant Marçal, Massís del Montseny, Viladrau, Girona, Catalunya, Spain

Fluorite specimens from Sant Marçal mines usually appear as aggregates of cubic crystals, defined, sometimes sprinkled or partially covered by quartz crystals. Yellow to greenish tones are the usual ones. Specimens with violet to bluish or green colors (depending on the type of incident light) are much less frequent and highly appreciated by collectors. These specimens we offer were collected at the beginning of the 70s. In this specimen we can observe cubic crystals with this bluish to greyish tone, translucent and disposed on a characteristic ochy "pegmatite" matrix. They are partially covered with small but brilliant quartz crystals.

The Sant Marçal mines (also known as Matagalls mines) are located in the Montseny massif, on the eastern slope of the Matagalls peak (1,700 m). Mining works were carried out at 1,250 to 1,350 m of altitude. The municipality corresponds to Viladrau. Mining in this type of deposits in this area and surrounding areas had been focused on the extraction of minerals of Pb, Zn, F and Ba. Together with the Osor and Tagamanent deposits, the Rigròs main vein from Sant Marçal mines is one of the most important in terms of fluorite extraction. Although there are other less thin mineralized veins in the area. These veins are embedded in granodiorite rock, which locally present metric dikes with a pegmatite texture. the granodiorites are usually altered to "sauló" (coarse-grained sand with micas, clays and quartz grains) and in some specimens it forms part of the matrix. The paragenesis of these veins: fluorite, baryte, galena, pyrite, chalcopyrite and quartz (often amethyst variety). They were mined until the mid-90s and have been partially restored. Currently this area belongs to the Montseny Natural Park, so the collection of specimens is totally prohibited.

 


Size: 5.5 x 3.5 x 3.2 cm.
Main crystal: 9 mm. edge.
Found in ±1970.

 

RM2968   Hematite

Monte de Hierro Mines, Cerro del Hierro, San Nicolás del Puerto, Sevilla, Andalucía, Spain

This is a very good sized specimen of hematite from the group of mines called "Monte de Hierro" (Iron Hill), whose concessions were between the terms of San Nicolás del Puerto and Constantina, although most of the surface is found in the first municipality mentioned. This specimen belongs from the Trigo collection (Mataró) and according to the label it was extracted in 1989 by Julián García.


Size: 9.3 x 7.4 x 4 cm.
Found in ±1989.



 

RM2964   Conichalcite, Azurite and chenevixite

Hamapega Hill, Guadalcanal-Alanís, Sevilla, Andalucía, Spain

These specimens were extracted in Loma de Hamapega (hill), a short mountain range between the localities of Alanís and Guadalcanal. Various minerals were analyzed, among which we highlight conichalcite, green in color, azurite and some earthy aggregates that turned out to be chenevixite. We will send analyses to the buyer. A sample for local collectors.


Size: 7.3 x 5.7 x 4.6 cm.
Found in 2021.

Analyzed specimen with report


Price: 45 €Buy
 
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