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Actinolite : ☐Ca2(Mg,Fe2+)5(Si8O22)(OH)2 | |
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Croda Rossa (Rotbachl peak; southwest slope), Vizze pass (Pfitsch pass), San Giacomo, Vizze Valley (Pfitsch Valley), Bolzano Province (South Tyrol), Trentino-Alto Adige, Italy Dark green xls in talcschist. Overall size: 74 x 40 x 49 mm Photo and collection Antonio Borrelli |
| © Antonio Borrelli | Photo ID: 89495 View Count: 322 |
Actinolite (Var: Byssolite) : ☐Ca2(Mg,Fe2+)5(Si8O22)(OH)2, Epidote : {Ca2}{Al2Fe3+}[O|OH|SiO4|Si2O7] | |
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Selva dei Molini Valley (Mühlwald Valley), Aurina valley (Ahrnbach valley), Bolzano Province (South Tyrol), Trentino-Alto Adige, Italy Hairy crystals of byssolite surrounding a dark green epidote of 17 mm Field of view: 40 mm Photo and collection Antonio Borrelli |
| © Antonio Borrelli | Photo ID: 38084 View Count: 772 |
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Cesa (Zosen), Selva dei Molini Valley (Mühlwald Valley), Aurina Valley (Ahrnbach Valley), Bolzano Province (South Tyrol), Trentino-Alto Adige, Italy meaningful actinolite "byssolite" show thin crystals of 4,2 cm Collection Arturo Moro photo Manuele Moro |
| © Manuele Moro | Photo ID: 267568 View Count: 21 |
Adularia : KAlSi3O8, Titanite : CaTi[O|SiO4], Chlorite Group | |
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Vizze Valley (Pfitsch Valley), Bolzano Province (South Tyrol), Trentino-Alto Adige, Italy Field of view 4 cm - Photo by Stefanie Menig |
| © 2005 - S.Menig | Photo ID: 35326 View Count: 528 |
Adularia : KAlSi3O8 | |
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Croda Bianca (Weißzint), Pusteria Valley (Puster Valley), Bolzano Province (South Tyrol), Trentino-Alto Adige, Italy fully transparent, waterclear Adularia crystal, note: the top face is in reality on the back side!; field of view 7 mm; photo & collection Joachim Esche |
| © jo-esche 2007 | Photo ID: 118095 View Count: 204 |
Adularia : KAlSi3O8, Chlorite Group | |
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Vento Valley (Wind Valley), Aurina Valley (Ahrnbach Valley), Bolzano Province (South Tyrol), Trentino-Alto Adige, Italy Two parallel intergrown adularia crystals, chlorite coated. Size : 8 x 5 cm Ex Collection & photo : Gerd Stefanik |
| Photo ID: 164899 View Count: 114 | |
Aeschynite | |
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Vizze pass (Pfitsch pass), San Giacomo, Vizze Valley (Pfitsch Valley), Bolzano Province (South Tyrol), Trentino-Alto Adige, Italy 1.1 mm Aschynite (Y) crystal. Collection A.Mattiello photo M.Chinellato |
| © Chinellato Matteo | Photo ID: 143733 View Count: 171 |
Aeschynite-(Y) : (Y,Ca,Fe,Th)(Ti,Nb)2(O,OH)6, Albite : Na[AlSi3O8] | |
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Croda Alta (Grawandkofel), Vizze pass (Pfitsch pass), San Giacomo, Vizze Valley (Pfitsch Valley), Bolzano Province (South Tyrol), Trentino-Alto Adige, Italy fresh and well formed aeschynite-(Y) crystal 1,5 mms Coll.and photo Manuele Moro |
| © Manuele Moro | Photo ID: 161564 View Count: 137 |
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Croda Alta (Grawandkofel), Vizze pass (Pfitsch pass), San Giacomo, Vizze Valley (Pfitsch Valley), Bolzano Province (South Tyrol), Trentino-Alto Adige, Italy tabular brown of aeschynite-(Y) crystal 2,5 mms on clinochlore Coll.and photo Manuele Moro |
| © Manuele Moro | Photo ID: 161560 View Count: 131 |
Albite (Var: Pericline) : Na[AlSi3O8] | |
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Croda Alta (Grawandkofel), Vizze pass (Pfitsch pass), San Giacomo, Vizze Valley (Pfitsch Valley), Bolzano Province (South Tyrol), Trentino-Alto Adige, Italy An excellent example of pericline-twinned Albite crystals from this famous Italian Alpine mineral location. specimen size = 5 x 4.5 x 4 cm. |
| © Russell G. Rizzo | Photo ID: 110861 View Count: 237 |
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