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Analcime : Na2[Al2Si4O12] · 2H2O | |
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Bosa, Oristano Province, Sardinia, Italy 3x5 cm. Collected ca. 1980. |
| © Volker Betz | Photo ID: 176564 View Count: 309 |
Analcime : Na2[Al2Si4O12] · 2H2O | |
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Cape Marargiu, Bosa, Oristano Province, Sardinia, Italy a specimen of 9x6 cm. the bigger crystal is 9 mm. diameter Photo and collection Alessandro Tagliaferri |
| Photo ID: 193212 View Count: 79 | |
Aragonite : CaCO3 | |
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Bosa, Oristano Province, Sardinia, Italy Aragonite acycular group of 5x3,5 mm in a cavity. Photo & Collection Chinellato Matteo |
| © Chinellato Matteo | Photo ID: 72414 View Count: 252 |
Calcite : CaCO3 | |
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Bosa, Oristano Province, Sardinia, Italy Calcite group of 17.2 mm. Collection & Photo M.Chinellato |
| © Chinellato Matteo | Photo ID: 122427 View Count: 97 |
Chabazite | |
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Montresta, Oristano Province, Sardinia, Italy Chabazite crystals medium size 5 mm, in a cavity of altered basaltic rock - Ex Barsotti coll. June 2000 |
| © Marco Barsanti | Photo ID: 10752 View Count: 453 |
Conichalcite : CaCu[OH|AsO4] | |
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Funtana Maggiore Prospect, Montresta, Oristano Province, Sardinia, Italy xls in aggregate of 2 mm diameter - photo and coll. Antonio Gamboni |
| © Antonio Gamboni | Photo ID: 157299 View Count: 114 |
Conichalcite : CaCu[OH|AsO4] | |
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Funtana Maggiore Prospect, Montresta, Oristano Province, Sardinia, Italy Conichalcite - diameter 4 mm - coll. and photo Antonio Gamboni. |
| © Antonio Gamboni | Photo ID: 225640 View Count: 37 |
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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Fradelloni quarry, Uras, Oristano Province, Sardinia, Italy FOV: 0,3 cm Museo Storia Naturale Aquilegia - Cagliari Coll.: M.Astolfi Photo: P.Stara |
| © Mauro Astolfi | Photo ID: 220405 View Count: 76 |
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