Group of hexagonal pr¡smatic crystals showing a good brilliance, characteristic color and very well defined faces and edges. From a classic Spanish mine.

Size: 12 x 7.8 x3.5 cm.
Main crystal: 1.1 cm.
Found in 1999.

Group of pyromorphite crystals with a brownish green color, with very well defined hexagonal shapes and well defined faces and edges. It comes from a classic Spanish mine and from which good quality specimens have come out. An aesthetic miniature.

Size: 3.3 x 3 x 2.4 cm.
Main crystal: 1 cm.

Classic locality

Group of pyromorphite crystals with a brownish green color, with very well defined hexagonal shapes and well defined faces and edges. It comes from a classic Spanish mine and from which good quality specimens have come out.

Size: 3.3 x 2.1 x 2 cm.
Main crystal: 5 mm.

Classic locality

Group of pyromorphite crystals with a brownish green color, with very well defined hexagonal shapes and well defined faces and edges. It comes from a classic Spanish mine and from which good quality specimens have come out.

Size: 3.2 x 3 x 1.8 cm.
Main crystal: 7.8 mm.

Classic locality

Group of prismatic celestine crystals, of very good size and from a classic Spanish locality for the species. It occurs in crystals defined by orthorhombic prisms of different orders. Translucent, brilliant and with a soft bluish tone. It belongs from the E. Nicolau collection (Barcelona), labeled by J. Viñals.

Size: 5.8 x 6 x 4.2 cm.
Main crystal: 24 x 12 mm.

Col J. Viñals. Col. E. Nicolau (Barcelona).

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: 8.3 x 5.4 x 4.5 cm.
Found in ±1998.

Col. Peter Seroka (#235).

In this specimen, obtained in the Manzanera cemetery area, we can observe numerous calcite crystals with quartz, some hematite crystal and, hidden, a yellowish fluorapatite crystal, well defined and transparent. Unique specimen from a very little-known locality.

Size: 4.3 x 3.6 x 3.5 cm.
Main crystal: 3.2 mm.
Found in 2000.

Group of good-sized sulphur crystals from a classic Spanish locality, but from a little-known mine, showing a great richness of faces, some brilliance and a canary yellow color. It is arranged in a cavity with calcite crystals. A fine Spanish specimen.

Size: 8.6 x 7.5 x 6 cm.
Main crystal: 5 mm.

Col. E. Nicolau (Barcelona).

Very elongated quartz crystal, very rich in faces, with excellent transparence. Rock crystal...

Size: 10.5 x 2.4 x 1.8 cm.

Cluster of aragonite crystals, very bright and defined. They are known in the area as "sputnik stones" (sic) because of their appearance. They present a color zoning on the surface, between gray and brown. They are floating. A Moroccan curiosity.

Size: 8.3 x 6.3 x 5.3 cm.
Main crystal: 6 mm.

Pineapple cluster of aragonite crystals, with transparence, very bright and defined. They are known in the area as "sputnik stones" (sic) because of their appearance. They present a color zoning on the surface, between gray and brown. They are floating. A Moroccan curiosity.

Size: 6.3 x 6 x 6 cm.
Main crystal: 16 mm.

Cluster of aragonite crystals, very bright and defined. They are known in the area as "sputnik stones" (sic) because of their appearance. They present a color zoning on the surface, between gray and brown. They are floating. A Moroccan curiosity.

Size: 6.7 x 6.5 x 5 cm.
Main crystal: 6 mm.

On a matrix formed by orthoclase crystals, numerous titanite crystals are arranged, yellowish olive green in color, transparent to translucent, with brilliance and defined faces and edges. A classic specimen from this Moroccan mining area.

Size: 11 x 8 x 4.7 cm.
Main crystal: 7 mm.

Group of tabular crystals of calcite of hexagonal shape, with color zoning and small recrystallizations of the same calcite in some areas of the piece. Crystals are on a matrix with fluorite, quartz and small pyrite crystals. It shows a intense reddish tone under UV light. Aesthetic specimen from this classic Moroccan locality.

Size: 8.9 x 6.5 x 6 cm.
Main crystal: 20 mm.

Fluorescent under long wave UV

Anglesite specimens from this classic Moroccan mine are quite difficult to find. In this piece we can see numerous lanceolated prismatic crystals of this lead sulphate, very brilliant, with well defined faces and edges, transparent and showing the natural yellow colour characteristic of this species and mine. They are disposed filling cavities in a galena matrix.

Size: 7.8 x 4.7 x 4 cm.
Main crystal: 6 mm.
Found in ±1990.

Very elongated quartz crystal with a very uniform and aesthetic smoky tone. Defined faces and edges and good transparence.

Size: 11 x 2.4 x 2.2 cm.

Contrasting sparkly dolomite matrix are lustrous, dark green spheres to 1 mm across, of conichalcite. This is an uncommon, calcium, copper arsenate and it is rare in the form of such isolated crystals or crystal aggregates as you see here (forming little ball-shaped growths).This aesthetic specimen is double sided.

Size: 6 x 4.9 x 3.3 cm.

Classic locality

Excellent specimen formed by numerous colorless acicular crystals of bultfonteinite, a rare hydrated calcium fluorosilicate, which is accompanied by beige prismatic crystals of olmiite, a hydroxysilicate of calcium and manganese. The specimen is very representative of these species. This is the type locality for olmiite. We include pooldervaartite because it is very common since it forms a series with olmiite.

Size: 7.2 x 5.7 x 4.9 cm.

Col. E. Nicolau (Barcelona).
Type Locality

Rich specimen formed by numerous spinel crystals showing octahedral form, black colour, very brilliant and well defined faces and edges. Sample is accompanied by the label of Douglas "Doug" Toland, with notes those indicates it could be gahnite or chromite, but the semi-quantitative analysis done with SEM-EDS microscopy shows that it is spinel, not identified in the mine before. It is accompanied by probably grossular and chlorite. A good specimen for the species and for this cold locality.

Size: 4.8 x 4.7 x 4.5 cm.
Main crystal: 4 mm.
Found in 1977.

Ex. Douglas Toland.
Analyzed specimen with report

Old specimen of blue fluorite from this mining area in the central-eastern United States. Fluorite crystals have partially corroded cubic shapes. It is accompanied by a galena crystal covered with tiny cerussite crystals. With an old Enric Kucera label.

Size: 13.5 x 8.5 x 4.8 cm.
Main crystal: 10 mm Fl.; 22 mm Gal.
Found in ±1980.

Classic locality

Lanceolated hemimorphite crystals, defined, brilliant, colorless and transparent. They are arranged in a  limonite-goethite matrix. Classic and aesthetic material from this famous Mexican mine, from the E. Nicolau collection (Barcelona).

Size: 8.5 x 6 x 3 cm.
Main crystal: 10 mm.
Found in ±1980.

Col. E. Nicolau (Barcelona).

These specimens from the Siglo XX Mine present defined, brilliant, translucent and light orange colour monazite-(Ce) crystals. They are accompanied by hyaline quartz and black-brown cassiterite on matrix. Some are twinned. Monazite is found in small quantities in this mine.
Monazite gets its name from the Greek word μουάζω "monazein" meaning "to be alone," alluding to its isolated crystals and their rarity when they were first found. Monazite is generally found in granitic pegmatites, but these crystals are found in hydrothermal veins with tin and the absence of thorium (generally an accompanying element of monazite).

Size: 7.7 x 5.5 x 4.9 cm.
Main crystal: 3.5 mm.

Col J. Viñals. Col. E. Nicolau (Barcelona).

Globular aggregate of variscite crystals, apple green in color and with transparency and shine, aesthetically arranged in a cavity of the matrix. Uncommon and of good quality for a find from years ago.

Size: 6.6 x 5 x 3 cm.
Main crystal: 4 mm. glob.
Found in ±1997.

Col J. Viñals. Col. E. Nicolau (Barcelona).

A very attractive large specimen of beautiful "star" muscovite mica from Linópolis. These specimens are some of the most distinctive and eye-catching pieces of mica from any locality for their wonderful morphology. This piece has a full coverage of lovely golden-yellow color, incredibly well-formed, star shaped twinned crystals of muscovite on quartz matrix.

Size: 8.5 x 7.5 x 5.8 xm.
Main crystal: 15 mm. star

Very rich druse of pseudomalachite crystals of intense green color, forming defined, translucent prismatic tabular crystals. Specimens of this species in this mine are rare. The piece belonged to the E. Laskowski collection (Tucson, USA), with the seller's label. Very interesting specimen.

Size: 7.2 x 3.9 x 3.7 cm.

Col. E. Nicolau (Barcelona).
Classic locality