Rosell Minerales
RM1654 Dufrénoysite
Lengenbach quarry, Imfeld, Binn, Valais, SwitzerlandRich group of needle to fibrous like dufrénoysite crystals, brilliant and disposed in a vug (12x7 mm) in the dolomite matrix. Dufrénoysite is now a member of sartorite group. With the FGL (Forschungsgemeinschaft Lengenbach) label L-10-4404 and from the Type Locality.
Size: 6.5 × 4.5 × 2.5 cm
Found in 2010.
Localidad Tipo - Type Locality
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RM944 Seligmannite with dufrénoysite
Lengenbach quarry, Imfeld, Binn, Valais, SwitzerlandSmall group of very brilliant seligmannite crystals, like mirrors, gray to dark brown color. They show well defined faces and edges. Accompanied by needle-like crystals of dufrénoysite, with fibrous appearance and almost black color, interpenetrating with seligmannite. A premium quality specimen for systematic collectors. BOTH SPECIES have the type locality in Lengenbach.
Code: LB 779 (1999)
Size: 5.1 x 3.5 x 3.5 cm.
Main crystal: 3 x 2 mm.
Found in 1999.
RM943 Sartorite with realgar
Lengenbach quarry, Imfeld, Binn, Binntal, Valais, SwitzerlandA really interesting specimen of this uncommon sulphosalt. It presents elongated crystals, one with terminal faces, metallic luster and it is accompanied by brilliant realgar red crystals, some of them grew on sartorite. On the LGB dolomite matrix with pyrite. From this classic Swiss locality, type locality for the species.
Code: L 23.729 (1992)
Size: 4.3 x 3.0 x 2.8 cm.
Main crystal: 7.5 x 3.5 mm
Found in 1992.
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