Alpe Machetto Mine, Cascine Machetto, Quittengo, Campiglia Cervo, Biella Province, Piedmont, Italy
Group of wulfenite crystals. Self-collected in one of the tunnels. Photo and collection: Franco Luca Bonino.
© franco luca bonino
Interesting sample for the area that I found this winter Self collected Collection and photo: Nazareno La Manna
© La Manna Nazareno
Central crystal of wulfenite with its second generation children
Molybdenite crystal on quartz matrix from the dump. FOV 1.33 x 2.00 mm. Photo and collection: Franco Luca Bonino
© Franco Luca Bonino
Yellow tufts of ferrimolybdite from the mine dump. FOV 2.80 mm. Photo and collection: Franco Luca Bonino
Molibdenite crystal up to 2 mm. Coll. and photo Bruno Marello
© Bruno Marello
Field of view 3mm,self collected 1999,specimen N° M122.Photo and collection Paolo Grosso
© Paolo Grosso
yellow needles of Ferrimolybdite dimension area mm. 5 x 5 photo Germano Fretti collection Luigi Chiappino
Image width 4 mm. Collection and photo Giovanni Fraccaro.
© Giovanni Fraccaro
Image width 25 mm. Collection and photo Giovanni Fraccaro.
ferrimolybdite field of view 5mm photo & collection S.Broetto
Crystal size 4 mm. Collection and photo Giovanni Fraccaro.
Crushed sprig of 4 mm. Collection Giuseppe Verdi Photo Gianluca Fontana
© Fontana Gianluca
dimension area mm. 2 x 2 photo and collection Luigi Chiappino
Yellow micro crystals of hydrokenoelsmoreite ("ferritungstite"), XRD-analyzed. FOV 3 mm x 1.5 mm Photo with Canon Eos 600 D + Bellows + Rodenstock Rodagon 35 mm 1:4.0 reversed processed by Helicon Focus and Filter Photo and collection Giovanni Scapin
© Scapin Giovanni 2014
Yellow crystals of ferritungstite with black balls of goethite FOV: 3 mm x 2 mm Photo with Canon Eos 600 D + Bellows + Rodenstock Rodagon 35 mm 1:4.0 reversed Photo and collection: Giovanni Scapin
© Giovanni Scapin 2017
Wulfenite crystals grown into the shape of pine trees. FOV 3 mm. Self-collected in one of the tunnels.
Mineral identified by analysis of the powder with diffractometer University of Pavia in July 2014 Photo & collection Mauro Savia
© Mauro Savia
Tabular crystals of barite with iron hydroxides in a cavity of quartz formed by the dissolution of a crystal of pyrite. Collection and photo Giuseppe Finello
© gfinello
Wulfenite crystals covered by wulfenite needles. FOV 5.5 mm. Self-collected in one of the tunnels.
Good tuft of needle crystals in quartz cavities Crystals up to 2 mm Specimen and photo by Enrico Bonacina OLYMPUS DIGITAL CAMERA E-M5MarkII + Rodagon 80 mm
FOV: 4.5 mm x 5.5 mm Photo with Canon Eos 600 D + Bellows + Rodenstock Rodagon 35 mm 1:4.0 reversed Photo and collection: Giovanni Scapin
Yellow micro crystals of hydrokenoelsmoreite ("ferritungstite"), XRD-analyzed. F o v mm 7 x mm 4 Photo with Canon Eos 600 D + Bellows + Rodenstock Rodagon 35 mm 1:4,0 reversed processed by Helicon Focus and Filter Photo and collection Giovanni Scapin
© Scapin Giovanni
Galena F o v mm 3,5 x mm 2 Photo with Canon Eos 600 D + Bellows + Rodenstock Rogonar-S 25 mm 1:4,0 Reversed processed by Helicon Focus and Filter Photo and collection Giovanni Scapin
Yellow micro crystals of hydrokenoelsmoreite ("ferritungstite"), XRD-analyzed. F o v mm 3 x mm 1,5 Photo with Canon Eos 600 D + Bellows + Rodenstock Rodagon 35 mm 1:4,0 reversed processed by Helicon Focus and Filter Photo and collection Giovanni Scapin
Light yellow hydrokenoelsmoreite with metallic molybdenite. FOV: 4 mm x 3 mm Photo with Canon Eos 600 D + Bellows + Rodenstock Rodagon 35 mm 1:4.0 reversed Photo and collection: Giovanni Scapin
Yellow crystals of hydrokenoelsmoreite. FOV: 3 mm x 4 mm Photo with Canon Eos 600 D + Bellows + Rodenstock Rodagon 35 mm 1:4.0 reversed Photo and collection: Giovanni Scapin
FOV: 4.0 mm x 4.5 mm Photo with Canon Eos 600 D + Bellows + Rodenstock Rodagon 35 mm 1:4.0 reversed Photo and collection: Giovanni Scapin
Large group of wulfenite crystals. FOV 5.5 mm. Self-collected in one of the tunnels.
Wulfenite crystals. Vertical FOV 3.20 mm.
Yellow to brownish Hydrokenoelsmoreite var. Ferritungstite crystals on unidentified matrix According to the label, Carlo Alciati collected the specimen on 23 August 2006 Received from Carlo Alciati on 19 February 2021
Sample self collected in the dump of Alpe Machetto Mine. Collection and photo: Giuseppe Finello
© gFinello
Nazareno La Manna collection and photo
Specimen and Photo By Bruno Marello
Bluish, vitreous botryoidal allophane from Alpe Machetto mine Visually identified Specimen and Photo: Bruno Marello
Compact group of ferrimolybdite crystals on quartz found in the dump. FOV 2.00 mm. Photo and collection: Franco Luca Bonino
Botroidal group of allophane crystals. Collected in one of the galleries. FOV 12 mm
FOV: 2.5 mm x 4.0 mm Photo with Canon Eos 600 D + Bellows + Rodenstock Rodagon 35 mm 1:4.0 reversed Photo and collection: Giovanni Scapin
Yellow crystals of Hydrokenoelsmoreite Photo with Canon Eos 600 D + Bellows + Rodenstock Rodagon 50 mm 1:4.0 reversed Photo and collection Giovanni Scapin
© 2021 Giovanni Scapin
Orange crystals of Wulfenite on globular black goetite. In this extreme close-up shot, are visible the growth patterns on the faces of the crystals. Giuseppe Finello collection and photo.
Group of orange bipyramidal perfect crystals of Wulfenite on globular black goetite. from Alpe Machetto Mine. Giuseppe Finello collection and photo.
Tiny crystals of wulfenite. FOV 5.5 mm. Self-collected in one of the tunnels.
Pyrite crystals with covellite on quartz matrix. FOV 5.50 mm. Photo and collection: Franco Luca Bonino
Collection and Photo Bruno Marello
Specimen and Photo Bruno Marello
© Marello Minerali
Titanite crystal found in one of the galleries. FOV 5.50 mm. Photo and collection: Franco Luca Bonino
Pyrite crystal found in the dump. FOV 2.50 mm. Photo and collection: Franco Luca Bonino
Nice silky ferrimolybdite on quartz matrix, was purchased from ebay from ex collector Renzo Dei Cas.
© N.P. Harrison
Self collected Collection and photo: Nazareno La Manna
Little molydbenite sample from the dump. FOV 1.10 mm. Photo and collection: Franco Luca Bonino
Crystal with an evident iridescence with patinas of iron oxides (brown). Self collected. Collection and photo: Nazareno La Manna.
© Nazareno La Manna
September 2007. Small dump. Photo by Giovanni Fraccaro.
September 2007. Main dump. Photo by Giovanni Fraccaro.