Mineral Specimens - page 3
Spain

EF96AI8: Group of thick tabular Calcite crystals with very well defined geometrical zoning and on a Quartz matrix. The crystals have a considerable size for the locality.
The sample is from the Raúl Sanabria collection whose label we will send to the buyer.
Los Taberneros Quarry, (La Cabrera pluton), Los Taberneros, El Berrueco, Comarca Sierra Norte, Madrid, Community of Madrid  Spain (05/2004)

Specimen size: 5.1 × 5 × 3.8 cm = 2.0” × 2.0” × 1.5”

Main crystal size: 3.1 × 2 cm = 1.2” × 0.8”

EP96AI8: Group of two transparent and very bright Quartz (citrine variety) crystals with Calcite and partially coated by acicular, greenish-white crystals of the Clinozoisite-Epidote series.
The sample is from the Raúl Sanabria collection whose label we will send to the buyer.
Navazales Quarry, (La Cabrera pluton), Valdemanco, Comarca Sierra de Guadarrama, Madrid, Community of Madrid  Spain

Specimen size: 7.4 × 7.1 × 4.7 cm = 2.9” × 2.8” × 1.9”

Main crystal size: 7.4 × 4.1 cm = 2.9” × 1.6”

NA6AC1: Radial aggregates of acicular crystals whose chemical composition is between Clinozoisite (dominant) and Epidote. The crystals are implanted on a matrix partially coated by clear green Prehnite aggregates, Orthoclase and Quartz crystals. The sample is from a large famous find in 1999 at the La Saludadora Quarry.
Isabel Quarry (La Saludadora Quarry), La Cabrera pluton, Valdemanco, Comarca Sierra de Guadarrama, Madrid, Community of Madrid  Spain (03/1999)

Specimen size: 19.8 × 15.1 × 4.5 cm = 7.8” × 5.9” × 1.8”

NX63AA7: Isolated Bavenite crystal with polycrystalline growths on its faces. It has a good luster, with an ivory-white color and is implanted on a Feldspar matrix coated by epitaxial Quartz crystals, with scattered Chlorite crystals.
The sample is from the Carlos González Bargueño collection, whose label we will send to the buyer. Carlos was the first to find these Bavenites and it was thanks to his labor that these extraordinary samples have been saved.
Venero I Quarry, Cadalso de los Vidrios, Comarca Sierra Oeste de Madrid, Madrid, Community of Madrid  Spain (2005)

Specimen size: 6.1 × 4.8 × 2.8 cm = 2.4” × 1.9” × 1.1”

Main crystal size: 0.8 × 0.7 cm = 0.3” × 0.3”

NK14Y9: Spheroidal aggregates of platy Bavenite crystals. They are translucent, very bright, and on matrix, with Chlorite and small, very clear and bright, smoky Quartz crystals. Carlos González Bargueño was the first to find these Bavenites and it is thanks to his labor that these extraordinary samples have been saved.
Valdeconejillos Quarry, Cadalso de los Vidrios, Comarca Sierra Oeste de Madrid, Madrid, Community of Madrid  Spain (2006)

Specimen size: 4 × 3.9 × 3.1 cm = 1.6” × 1.5” × 1.2”

EM59AI8: Group of Cinnabar crystals whose definition on their faces and edges is very much better than usual. They are translucent, extraordinarily bright and have a very intense and vivid color. On matrix, with Calcite and native Mercury drops and inclusions.
The sample is from the Raúl Sanabria collection whose label we will send to the buyer.
San Teodoro Shaft, Almadén Mine, Almadén, Comarca Valle de Alcudia, Ciudad Real, Castilla-La Mancha  Spain (±1970)

Specimen size: 6.2 × 2.5 × 3.8 cm = 2.4” × 1.0” × 1.5”

Main crystal size: 0.8 × 0.4 cm = 0.3” × 0.2”

NT69AI7: Group of crystals with well-defined faces and edges and very well defined skeletal and parallel growths. They are translucent, very bright, have a very vivid color and they are on a matrix of white Quartz microcrystals.
Almaden Mine, Almadén, Comarca Valle de Alcudia, Ciudad Real, Castilla-La Mancha  Spain (±1960-70)

Specimen size: 6.2 × 3.3 × 1.3 cm = 2.4” × 1.3” × 0.5”

TR96AG9: Isolated Cinnabar crystals on matrix, with very well defined faces and edges, clearly twinned, translucent, very bright and with a very intense color. A Spanish classic.
Almaden Mine, Almadén, Comarca Valle de Alcudia, Ciudad Real, Castilla-La Mancha  Spain

Specimen size: 6.3 × 5 × 2.2 cm = 2.5” × 2.0” × 0.9”

Main crystal size: 0.4 × 0.3 cm = 0.2” × 0.1”

NA47AG9: Isolated Cinnabar crystals on matrix with very well defined faces and edges, translucent, very bright and with a very intense color. A Spanish classic-classic.
Almaden Mine, Almadén, Comarca Valle de Alcudia, Ciudad Real, Castilla-La Mancha  Spain (±1960-70)

Specimen size: 3.1 × 2.5 × 2.8 cm = 1.2” × 1.0” × 1.1”

Main crystal size: 0.4 × 0.3 cm = 0.2” × 0.1”

NT69AG9: Parallel growth of Cinnabar crystals with polycrystalline surfaces and slight curvatures on the edges. They are translucent, bright, with an intense color and are on matrix with small Quartz crystals. A Spanish classic. The sample is from the Eugeni Bareche collection (num. 692) and we’ll send the label to the buyer.
Almaden Mine, Almadén, Comarca Valle de Alcudia, Ciudad Real, Castilla-La Mancha  Spain (±1960-70)

Specimen size: 8.1 × 5.7 × 4.3 cm = 3.2” × 2.2” × 1.7”

Main crystal size: 1.7 × 0.8 cm = 0.7” × 0.3”

NA54AH4: Aggregates of Cinnabar crystals with very well defined faces and edges, with a predominant rhombohedron, translucent, very bright and on a quartzite matrix coated by white Calcite microcrystals. An excellent Spanish classic.
Almaden Mine, Almadén, Comarca Valle de Alcudia, Ciudad Real, Castilla-La Mancha  Spain (±1960-70)

Specimen size: 16 × 8 × 5 cm = 6.3” × 3.1” × 2.0”

Main crystal size: 0.6 × 0.5 cm = 0.2” × 0.2”

NM67AI5: Very aerial reticulated twins of very flattened white Cerussite crystals.
The sample is from the Ignacio Gaspar collection whose label we’ll send to the buyer.
Luis Mine, Norte vein, Del General Mines, Cabezarrubias del Puerto, Ciudad Real, Castilla-La Mancha  Spain (06/2013)

Specimen size: 4.2 × 2.4 × 0.9 cm = 1.7” × 0.9” × 0.4”

NR89AI7: Floater reticulated group of flattened prismatic and twinned Cerussite crystals with slightly pinkish shades. It has been perfectly preserved, something not usual on samples from this
The sample is from the Ignacio Gaspar Sintes collection (reg. CER-36) whose card we’ll send to the buyer.
Luis Mine, "fisura de las Velas", Norte vein, Del General Mines, Cabezarrubias del Puerto, Ciudad Real, Castilla-La Mancha  Spain (06/2013)

Specimen size: 4.6 × 2.3 × 0.4 cm = 1.8” × 0.9” × 0.2”

NF62X6: A novelty at the Escuela de Minas de Madrid Show 2013. Aggregates of very bright vivid yellow crystals with well defined faces of a short prism and the terminal pinacoid. They are on a limonite matrix.
Luis Mine, Norte vein, Del General Mines, Cabezarrubias del Puerto, Ciudad Real, Castilla-La Mancha  Spain (01/03/2013)

Specimen size: 6.2 × 2.6 × 1.8 cm = 2.4” × 1.0” × 0.7”

Main crystal size: 0.2 × 0.1 cm = 0.1” × 0.0”

NY46Z6: Very sharp Stokesite crystal, colorless, transparent, very bright and on a smoky Quartz matrix with Albite, Microcline and Muscovite. These samples were found in 1999 and noted in 2012 in a paper in The Mineralogical Record, and are considered as the best crystallized worldwide. They were recovered in a single cavity that produced very few pieces.
Isabel Quarry (La Saludadora Quarry), La Cabrera pluton, Valdemanco, Comarca Sierra de Guadarrama, Madrid, Community of Madrid  Spain (1999)

Specimen size: 0.9 × 0.9 × 0.9 cm = 0.4” × 0.4” × 0.4”

Main crystal size: 0.4 × 0.2 cm = 0.2” × 0.1”

TM99AI7: Groups, on matrix, of elongated crystals with a spindled shape and slightly curved faces and edges and with polycrystalline growths that are bright with an intense green color.
A Spanish classic from the Charles M. Noll collection whose label we’ll send to the buyer.
El Horcajo Mines, El Horcajo, Almodóvar del Campo, Comarca Campo de Calatrava, Ciudad Real, Castilla-La Mancha  Spain (±1910)

Specimen size: 4.3 × 3.4 × 3.1 cm = 1.7” × 1.3” × 1.2”

Main crystal size: 1.3 × 0.4 cm = 0.5” × 0.2”