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RM2891   Chrysocolla after tyrolite

La Profunda Mine, Cármenes, León, Castilla y León, Spain

Very interesting specimen from this old Roman mine located between Cármenes and Villamanín (León, Spain), which was later exploited for copper until the end of the 20th century. These are botryodal aggregates of chrysocolla replacing tyrolite. A rarity of this Leonese mine.


Size: 7.6 x 7.3 x 5.4 cm.
Found in ±1998.

Col. M. Marí - A. García (Castelló)
Classic locality


 

RM2417   Cinnabar and quartz

Escarlati Mine, Puerto de las Señales, Maraña, León, Castilla y León, Spain

Various complex cinnabar crystals, some with a cyclic twin, one of them clearly dominant. Excellent luster and intense red color, stand out on the quartz matrix from which the calcite has been removed. This mine was worked until the early 1970s. A Spanish classic that is not easy to find in the market.


Size: 6.6 x 3.2 x 1.8 cm.
Main crystal: 6 mm.

 

RM2413   Stibnite and calcite

María Teresa mine, Riaño, León, Castilla y León, Spain

This Leonese mine is near the Riaño reservoir. In this specimen we can see various radial aggregates of acicular prismatic stibnite crystals, with an intense luster and disposed in a calcite matrix that include them. In 1909 Spanish Mining Statistics, indicates the demarcation of 22 properties in this area with the name of "María Teresa" mine (document Nr. 3,260), of antimony, in the name of Policarpo Herrero, domiciled in Oviedo (FMF). A very fine and representative specimen.


Size: 6.3 x 6.2 x 2.4 cm.
Main crystal: 1.8 cm.
Found in 2019

 

RM2029   Anatase with quartz

Moro Quarry, Oteruelo de la Valduerna, Santiago de Millas, León, Castilla y León, Spain

Druse of small quartz crystals, some doubly terminated, partially covered by white kaolinite. Peppered by several anatase crystals, with dipyramidal faces, truncated by basal pinacoid. Very sharp, translucent and with a toasted honey tone. Very aesthetic and rare in the market.
It is interesting to say that recent analysis of the reddish ashlars of the Torre Nueva (New Tower) of the Astorga cathedral indicated that these building materials were extracted from this Cantera del Moro during XVIIth and XVIIIth centuries.


Size: 6 x 4.5 x 3.8 cm.
Main crystal: 2.5 mm.

Price: 40 €Buy
 

RM2027   Anatase with quartz

Moro Quarry, Oteruelo de la Valduerna, Santiago de Millas, León, Castilla y León, Spain

Druse of small quartz crystals, some doubly terminated, partially covered by white kaolinite. Peppered by several anatase crystals, with dipyramidal faces, truncated by basal pinacoid. Very sharp, translucent and with a toasted honey tone. Very aesthetic and rare in the market.
It is interesting to say that recent analysis of the reddish ashlars of the Torre Nueva (New Tower) of the Astorga cathedral indicated that these building materials were extracted from this Cantera del Moro during XVIIth and XVIIIth centuries.


Size: 10 x 9 x 4 cm.
Main crystal: 1.5 mm.

Price: 45 €Buy
 

RM2023   Anatase with quartz

Moro Quarry, Oteruelo de la Valduerna, Santiago de Millas, León, Castilla y León, Spain

Druse of small quartz crystals, some doubly terminated, partially covered by white kaolinite. Peppered by several anatase crystals, with dipyramidal faces, truncated by basal pinacoid. Very sharp, translucent and with a toasted honey tone. Very aesthetic and rare in the market.
It is interesting to say that recent analysis of the reddish ashlars of the Torre Nueva (New Tower) of the Astorga cathedral indicated that these building materials were extracted from this Cantera del Moro during XVIIth and XVIIIth centuries.


Size: 7 x 5.2 x 4.2 cm.
Main crystal: 2 mm.

Price: 30 €Buy
 

RM2013   Anatase with quartz

Moro Quarry, Oteruelo de la Valduerna, Santiago de Millas, León, Castilla y León, Spain

Druse of small quartz crystals, some doubly terminated, partially covered by white kaolinite. Peppered by several anatase crystals, with dipyramidal faces, truncated by basal pinacoid. Very sharp, translucent and with a toasted honey tone. Very aesthetic and rare in the market.
It is interesting to say that recent analysis of the reddish ashlars of the Torre Nueva (New Tower) of the Astorga cathedral indicated that these building materials were extracted from this Cantera del Moro during XVIIth and XVIIIth centuries.


Size: 6 × 4.5 × 3.7 cm
Main crystal: 2 mm

 
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