Rosell Minerales

Group of very sharp fluorite crystals from this classic of the Spanish mineralogy. We can see the cube forms, with defined edges and faces. With clear geometric color zoning, between purple to violet depending on the incident light, more intense in the crystal core. A specimen of fluorite which collector should not miss.

Size: 5,6 x 4,8 x 3,4 cm.
Main crystal: 10 x 9 mm.

A very rich group of fluorite crystals with a good size and defined faces and rounded beveled edges. The faces show polysynthetic growths those give it a curious echelonesd forms and accompanied by complex redissolution structures. Really interesting. The color is intensely violet, deep in the inner parts of the crystal and clearer in the outer ones. Good brilliance and transparence when the light strikes on them. A specimen of the past times, rarely seen nowadays. It belonged to an old German collection. Col. Nr. 7.

Size: 9,0 x 8,5 x 3,0 cm.
Main crystal: 9 x 9 mm.

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A rich group of well-defined cubic crystals of fluorite showing polysynthetic growth on faces. Violet-purple color is very, very intense, with geometrical zoning in the crystal core. Many of them are interpenetrating, giving the whole a unique aesthetics. From a classic Asturian locality.

Size: 9,5 x 6,5 x 5,0 cm.
Main crystal: 14 x 12 mm.

Excellent specimen of fluorite with an intense color and well defined faces and edges. It shows polycrystalline cubic growths with a color that varies between violet to purple depending on the light, with geometric color zoning. It is accompanied by quartz crystals.

Size: 5,0 x 3,5 x 3,4 cm.
Main crystal: 21 x 20 mm.
Found in 2002.

It is a large group of fluorite crystals, with colorful cubic forms with polysinthetic growth on faces, brillinat, transparent to translucent and very intense color between purple to violet (depending on incident light), with geometric zonation. Peppered by small barite crystals. Very aesthetic specimen, with many years, coming from the mining area of Berbes.

Size: 8.5 x 5.2 x 3.8 cm.
Main crystal: 14 x 14 mm.
Found in 1970s.

Excol. Daunis

A very rich group of cubic fluorite crystals, with an intense violet to purple color depending on incident light. With a very aesthetic geometric color zoning. On a matrix covered by several quartz crystals. From old times...

Size: 8.8 x 5.5 x 4.8 cm.
Main crystal: 13 x 13 mm.
Found in 1980s.

Specimen with a good size of fluorite of intense color and sharp faces and edges. It shows cubic forms with polycrystalline growths and a color between violet to purple very intense, with color zoning and transparency.

Size: 10.0 x 9.0 x 8.5 cm.
Main crystal: 36 x 30 mm.
Found in 1980s.

An aesthetic display specimen. A huge size sample, with large and defined cubic fluorite crystals, with transparence, color between violet and purple. Some of them are partially covered with very small quartz crystals. Different than usual. From old mine times...

Size: 20.0 x 10.0 x 5.5 cm.
Main crystal: 28 x 26 mm.
Found in 1980s.

Group of cubic crystals of fluorite, with transparency, color between purple to violet, with polysynthetic growths on the faces, very defined. A Spanish classic.

Size: 12.5 x 8.5 x 5.5 cm.
Main crystal: 25 x 22 mm.

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.

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.

Rich group of sharp fluorite crystals, cubic, with polysynthetic growths on the faces. The colour between violet to bluish-grayish, unusual in this mine. Translucent, allowing to see the color zoning. Good size.

Size: 8 x 7.5 x 4 cm.
Main crystal: 22 mm.

Col. A. Arguijo (L'Hospitalet de Llobregat).

Group of fluorite crystals showing sharp edges and cube faces with polysynthetic growths. Good color, intense between purple to violet, depending on the incident light and with geometric colour zoning.

Size: 6.2 x 6 x 4.2 cm.
Main crystal: 1.5 cm.

Col. A. Arguijo (L'Hospitalet de Llobregat)

A very rich group of cubic fluorite crystals, with an intense violet to purple color depending on incident light. On a matrix covered by quartz and baryte crystals. Good size and with L. Daunis (Barcelona) handwritten label collection.

Size: 8.4 x 8.0 x 7.5 cm.
Main crystal: 25 x 25 mm.

Excol. Lluís Daunis & Maria Ruscalleda.
Classic locality

In this specimen we can observe some groups of native copper crystals, with defined faces and edges, good luster and color. They are disposed on a black layer of pyrolusite and accompanied by some white to translucent calcite flattened rhombohedral crystals. These specimens were collected in a concrete areas of this mine.

Size: 6,0 x 5,3 x 5,0 cm.
Main crystal: 1 x 1 mm.
Found in 2011.

Group of calcite crystals, defined, transparent and brilliant, with a developed prism and negative rhombohedron top terminal faces. On a matrix of barite and calcite. They were collected in a  from open-air mining works in the area of Duyos. Nowadays, these samples from this Asturian mine are very difficult to obtain. They come from the former Manchion collection (with label).

Size: 4.9 x 3.0 x 2.8 cm.
Main crystal: 1.5 x 0.4 cm.
Found in 01/1984.

Col. J.M. Manchion (Barcelona) - No.63 (J. Viñals).
Calcite is fluorescent under LW-UV.

Very esthetic group of fluorite crystals, very transparent, with brilliance and very sharp faces and edges, showing forms the cube with the dodecahedron and small trapezohedron. Violet tone color zoning. From a classic locality.

Size: 4.0 x 2.2 x 1.7 cm.
Main crystal: 10 x 9 mm.
Found in 2010.

Small specimen of fluorite formed by a group of colorless crystals, translucent, dull and showing forms of the cube and the dodecahedron. A representative miniature.

Size: 2.5 x 2.4 x 2.2 cm.
Main crystal: 12 x 12 mm.
Found in 2010.

This specimen is a defined crystal of fluorite, with geometric violet color zoning, good transparency, brilliance and cube and dodecahedron faces. Presenta some small damage in the back. Good miniature.

Size: 2.6 x 2.4 x 1.9 cm
Found in 2010.

A very rich group of fluorite crystals, with an excellent transparence, brilliance and with a slight pink to violet color, near colorless. With defined cubic faces and dodecahedron on edges. Excellent miniature.

Size: 3.5 x 3.3 x 2.6 cm.
Main crystal: 15 x 14 mm.
Found in 2010.

Very esthetic group of fluorite crystals, very transparent, with dull luster and very sharp faces and edges, showing forms the cube with the dodecahedron and small trapezohedron. Violet tone color zoning. On a small quartz matrix. From a classic locality.

Size: 3.8 x 2.7 x 2.5 cm.
Main crystal: 18 x 16 mm.
Found in 2010.

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.

These specimens have given more than a headache. They have sometimes been cited as celestine from Moscona mine. This specimen shows a group of barite prismatic crystals very rich in faces, with the combination of various orthorhombic prisms and pinacoids. Transparency is excellent and with an amazing brilliance. They are disposed in a matrix with white crystals of calcite. Very few specimens in collections.

Analysis and article in our blog:

Size: 5.0 x 4.4 x 2.5 cm.
Main crystal: 19 x 6 mm.

Excellent specimen formed by several groups of transparent tabular barite crystals forming globular aggregates, with transparence, brilliance and very sharp faces and edges. Very aesthetically disposed on a fluorite cubic crystals matrix with yellow color and transparence. Accompanied by dolomite saddle-shaped crystals and chalcopyrite. A Spanish classic of the best quality.

Size: 8,8 x 5,5 x 4,0 cm.
Main crystal: 14 x 12 mm. (aggr.)

Curious specimen of calcite from Moscona. Formed by some crystals, one of them predominant, with complex rhombohedrall faces with echeloned growth. Accompanied by tabular barite crystals and on a yellow fluorite matrix.

Size: 8,6 x 7,3 x 4,4 cm.
Main crystal: 28 x 25 mm.