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Acanthite : Ag2S | |
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Crevoladossola quarry, Crevoladossola, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy Crystals clump seats on dolomite crystals up to 0,7 mm Collection Domenico Forloni Photo Enrico Bonacina |
| © Enrico Bonacina | Photo ID: 225489 View Count: 86 |
Acanthite : Ag2S, Silver : Ag | |
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Piano dei Camosci (Pian dei Camosci), Formazza, Formazza Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy a 0,2 mm group of lamellar crystals of acanthite on silver self collected october 2007 sergio varvello photo and collection |
| © sergio varvello | Photo ID: 212231 View Count: 83 |
Acanthite : Ag2S | |
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Crevoladossola quarry, Crevoladossola, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy Large group of crystals in the shape of a tuft Photo base 3,6 mm Collection Domenico Forloni Photo Enrico Bonacina |
| © Enrico Bonacina | Photo ID: 225307 View Count: 74 |
Acanthite : Ag2S | |
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Piano dei Camosci (Pian dei Camosci), Formazza, Formazza Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy little group of acicular crystals on dolomite (0,3 mm) self collected october 2007 sergio varvello photo and collection |
| © sergio varvello | Photo ID: 212229 View Count: 65 |
Actinolite : ☐Ca2(Mg,Fe2+)5(Si8O22)(OH)2 | |
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Alpe Rosso, Orcesco, Druogno, Vigezzo Valley, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy beautiful group of spray acicular crystals of actinolite up to 1.3 mm on albitite. Photo Enrico Bonacina, Collection Domenico Preite |
| © D. Preite | Photo ID: 146000 View Count: 220 |
Adularia : KAlSi3O8, Chlorite Group | |
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Formazza Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy twinned crystals covered by chlorite; picture size: 15 mm Photo & Collection: Foschi-Tagliabue |
| © Tagliabue-Foschi | Photo ID: 26985 View Count: 527 |
Adularia : KAlSi3O8 | |
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Formazza Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy Crystal size 3,5 cm with quartz crystals. Photo and collection Giovanni Fraccaro. |
| © GiovanniFraccaro | Photo ID: 43682 View Count: 487 |
Adularia : KAlSi3O8 | |
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Mount Cervandone, Devero Alp (Devero Valley; Val Devero), Baceno, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy Orthoclase var: Adularia crystals of max 4 mm. Photo & Collection Chinellato Matteo |
| © Chinellato Matteo | Photo ID: 72299 View Count: 314 |
Aeschynite-(Y) : (Y,Ca,Fe,Th)(Ti,Nb)2(O,OH)6 | |
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Seula mine (ex Montecatini quarry), Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy Aeschynite-(Y) - a 2 mm group of orange crystals on albite |
| © sergio varvello | Photo ID: 188680 View Count: 161 |
Aeschynite-(Y) : (Y,Ca,Fe,Th)(Ti,Nb)2(O,OH)6 | |
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Mount Cervandone, Devero Alp (Devero Valley; Val Devero), Baceno, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy Crystal throughout the striatum, double termination Crystal 2,7 mm long Photo Enrico Bonacina Collection Domenico Forloni |
| © Enrico Bonacina | Photo ID: 217702 View Count: 121 |
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