Rosell Minerales

You are in > Home > Minerals

Catálogo de minerales

RM3030   Piemontite

Jakobsberg Mine, Jakobsberg ore field, Nordmark, Värmland, Sweden

Old specimen of piemontite from this Swedish classic locality, little represented in collections. They are small burgundy red crystals on a matrix with calcite (fluorescent under SW.-UV). It is accompanied by a label of Lazard Cahn (1865-1940), a renowned American mineralogist about whom you can see more information at this link: Memorial of Lazard Cahn, Amer. Mineralogist Vol. 26, pages 174-177, 1941.

Size: 6.5 x 3.8 x 3.4 cm.
Found in ±1930.

Col. Lazard Cahn (USA) old label 1931.


RM2460   Gedrite

Skisshyttan, Smedjebacken, Dalarna Co., Sweden

Radiating crystals of gedrite, almost black, included in a metamorphic rock matrix.

Size: 4.7 x 4.1 x 3 cm.
Main crystal: 1.2 cm.


RM1625   Cobaltite

Håkansboda, Lindesberg, Västmanland, Sweden

This is a brilliant and esthetic cobaltite specimen that shows a sharp and brilliant crystal, with dominant forms of the cube and pyritohedron, included in the massive pyrrhotite matrix. Håkansboda is an old mine, opened in the 17th century and worked until 1873, with only minor mining during World War I. An European classic mine and specimen.

Size: 6.4 x 4.9 x 4.5 cm.
Main crystal: 8 x 7 mm.
Found in 1980's.

Excol. Lluís Daunis & Maria Ruscalleda (Barcelona).
Classic locality

RM1547   Hisingerite

Brunnsjögruvan, Grythyttan, Hällefors, Västmanland, Sweden

Hisingerite is a rare hydrated iron hydroxylsilicate and its type locality is Riddarhyttan (Sweden), near from this specimen locality we offer. This sample shows radial laminar aggregates with an intense dark brown to almost black color, with metallic luster. Specimens of hisingerite are very rare and this piece is from the collection of Renaud Vochten (1933-2012), a well-known Belgian collector of mineralogical rarities. This specimen was adquired by Mr. Vochten in 1975 to V. H. Sørensen.

Size: 7.2 x 6.5 x 3.8 cm.
Found in ca. 1975.