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Albite : Na[AlSi3O8], Quartz : SiO2 | |
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Papachacra, Belen Department, Catamarca, Argentina Albite crystals on Quartz Sample size: 7 X 5,5 cm Collection and photo: Arliguie M |
| © Arliguie M | Photo ID: 141381 View Count: 350 |
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Papachacra, Belen Department, Catamarca, Argentina 11 x 10 cm. |
| © Marcelo Olsina | Photo ID: 27100 View Count: 552 |
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Papachacra, Belen Department, Catamarca, Argentina Tabular crystals of hexagonal but partially rounded shape. On a matrix of Albite crystals and with small crystals of Siderite. Formación Papachacra, Catamarca, Argentina. Albite minor fluorescence long & short UV Found in 1993 Specimen size: 7.4 x 5.9 x 3 cm Main crystal size: 0.1 x 0.1 cm |
| © fabreminerals.com | Photo ID: 109741 View Count: 146 |
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Papachacra, Belen Department, Catamarca, Argentina Florencite-(Ce) with Quartz and Microcline from Formación Papachacra, Departamento Belén, Catamarca Florencite-(Ce) is a very rare phosphate. In this case the small red crystals are distributed on Microcline and accompanied by Quartz and Mica. Size:8 x 5 x 4.5 cm |
| © fabreminerals.com | Photo ID: 56220 View Count: 399 |
Florencite-(Ce) : CeAl3[(OH)6|(PO4)2] | |
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Papachacra, Belen Department, Catamarca, Argentina Small crystals of Florencite-(Ce) grown on Orthoclase. Picture width is 2,5mm. |
| © Elmar Lackner | Photo ID: 203321 View Count: 79 |
Florencite-(Ce) : CeAl3[(OH)6|(PO4)2] | |
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Papachacra, Belen Department, Catamarca, Argentina Width of field is 0.5 mm. Collection and photo Jesse Crawford. Equipment: Nikon D-100 digital camera on a homemade microscope. Florencite-(Ce) crystals on matrix. |
| © 2008 Jesse Crawford | Photo ID: 234574 View Count: 36 |
Fluorite : CaF2, Microcline : K[AlSi3O8] | |
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Papachacra, Belen Department, Catamarca, Argentina Octahedral Fluorite on Microcline. Size: 4.0 x 2.5 x 2.0 cm. Size of the largest crystal: 2.0 x 1.5 x 1.5 cm. |
| © JCLodovichi | Photo ID: 53663 View Count: 656 |
Fluorite : CaF2, Microcline : K[AlSi3O8] | |
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Papachacra, Belen Department, Catamarca, Argentina Other view. |
| © JCLodovichi | Photo ID: 53667 View Count: 498 |
Fluorite : CaF2, Quartz : SiO2, Orthoclase : K[AlSi3O8], Hematite : Fe2O3 | |
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Papachacra, Belen Department, Catamarca, Argentina Surprising is the uncommon paragenesis on the sample with cubic crystals of Fluorite coexisting with a matrix of Smoky Quartz, prisms of Orthoclase and small crystals of Hematite. We also call attention on the locality where Fluorite is not common. Formación Papachacra, Departamento Belén, Catamarca Argentina Found in ±2004 Specimen ... |
| © fabreminerals.com | Photo ID: 69447 View Count: 478 |
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Papachacra, Belen Department, Catamarca, Argentina The locality is not so common. Crystals are octahedral and have well defined faces and edges and a curious and irregular distribution of their color, practically uncolored in some zones, and they have spots of an intense violet color in some other. On the matrix there are twinned crystals of Orthoclase and small crystals of smoky ... |
| © fabreminerals.com | Photo ID: 75349 View Count: 478 |
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