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Cordierite : (Mg,Fe)2Al4Si5O18, Osumilite : (K,Na)(Fe2+,Mg)2(Al,Fe3+)3(Si,Al)12O30, Quartz : SiO2 | |
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Funtanafigu Quarry, Marrubiu, Mt. Arci, Oristano Province, Sardinia, Italy Pink Cordierite and blue Osumilite crystals on Quartz matrix. Field of view mm 10x6 Photo Germano Fretti, collection Fabio Brignoli. (roccelllans) |
| © Germano Fretti | Photo ID: 148626 View Count: 190 |
Cordierite : (Mg,Fe)2Al4Si5O18 | |
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Funtanafigu Quarry, Marrubiu, Mt. Arci, Oristano Province, Sardinia, Italy view field of 7 mm. yhe bigger crystal is of 2 mm. lenght. self collected photo and collection Alessandro tagliaferri |
| Photo ID: 191403 View Count: 91 | |
Cordierite : (Mg,Fe)2Al4Si5O18 | |
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Funtanafigu Quarry, Marrubiu, Mt. Arci, Oristano Province, Sardinia, Italy A 1mm. crystal-self collected Photo and collection Alessandro Tagliaferri |
| Photo ID: 191499 View Count: 68 | |
Cordierite : (Mg,Fe)2Al4Si5O18 | |
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Funtanafigu Quarry, Marrubiu, Mt. Arci, Oristano Province, Sardinia, Italy Crystals of 1 mm. - self collected Photo and collection Alessandro Tagliaferri |
| Photo ID: 191496 View Count: 65 | |
Cordierite : (Mg,Fe)2Al4Si5O18 | |
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Funtanafigu Quarry, Marrubiu, Mt. Arci, Oristano Province, Sardinia, Italy A group of crystals of 1 mm.-self collected photo and collection Alessandro Tagliaferri |
| Photo ID: 191497 View Count: 62 | |
Cordierite : (Mg,Fe)2Al4Si5O18, Osumilite : (K,Na)(Fe2+,Mg)2(Al,Fe3+)3(Si,Al)12O30 | |
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Funtanafigu Quarry, Marrubiu, Mt. Arci, Oristano Province, Sardinia, Italy A beautiful connexion of cordierite and osumilite crystals in a view field of 5-6 mm. - self collected Photo and collection Alessandro Tagliaferri |
| Photo ID: 191481 View Count: 59 | |
Cordierite : (Mg,Fe)2Al4Si5O18 | |
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Funtanafigu Quarry, Marrubiu, Mt. Arci, Oristano Province, Sardinia, Italy View field of 6 mm.-self collected Photo and collection Alessandro Tagliaferri |
| Photo ID: 191495 View Count: 47 | |
Cordierite : (Mg,Fe)2Al4Si5O18, Hematite : Fe2O3 | |
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Funtanafigu Quarry, Marrubiu, Mt. Arci, Oristano Province, Sardinia, Italy View field of 6 mm. - self collected Photo and collection Alessandro Tagliaferri |
| Photo ID: 191491 View Count: 44 | |
Cordierite : (Mg,Fe)2Al4Si5O18 | |
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Funtanafigu Quarry, Marrubiu, Mt. Arci, Oristano Province, Sardinia, Italy View field 6 mm.-self collected Photo and collection Alessandro Tagliaferri |
| Photo ID: 191479 View Count: 42 | |
Cordierite : (Mg,Fe)2Al4Si5O18, Quartz : SiO2 | |
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Funtanafigu Quarry, Marrubiu, Mt. Arci, Oristano Province, Sardinia, Italy Cordierite crystals in connexion with quartz and hematite-self collected Photo and collection Alessandro Tagliaferri |
| Photo ID: 191493 View Count: 40 | |
Additional Photos | |
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