Catamarca, Argentina

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Albite : Na[AlSi₃O₈], Microcline : K[AlSi₃O₈], Fluorite : CaF₂
	Papachacra Mts, Belen Department, Catamarca, Argentina Albite, microcline and some clear fluorite cubes. 11 x 11 cm.
© Marcelo Olsina	Photo ID: 116150 View Count: 456
Albite : Na[AlSi₃O₈], Quartz : SiO₂
	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: 352
Biotite, Microcline : K[AlSi₃O₈], Albite : Na[AlSi₃O₈], Quartz (Var: Smoky Quartz) : SiO₂
	Papachacra, Belen Department, Catamarca, Argentina 11 x 10 cm.
© Marcelo Olsina	Photo ID: 27100 View Count: 552
Celestine : SrSO₄
	Catamarca, Argentina 2.5 x 1.7 x 1.4 cm. A specimen of very unusual snow-like celestine with a "cap" on it, from Argentina.
© Rob Lavinsky	Photo ID: 122839 View Count: 191
Chlorite Group, Muscovite : KAl₂[(OH)₂\|AlSi₃O₁₀], Fluorite : CaF₂
	Papachacra Mts, Belen Department, Catamarca, Argentina Hexagonal Muscovite covered with green Chlorite. violet Fluorite 0,5 cm. Overall size: 6 x 4 cm.
© Marcelo O Olsina	Photo ID: 122581 View Count: 282
Florencite, Albite : Na[AlSi₃O₈], Siderite : FeCO₃, Quartz : SiO₂
	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
Florencite-(Ce) : CeAl₃[(OH)₆\|(PO₄)₂], Microcline : K[AlSi₃O₈], Quartz : SiO₂
	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: 400
Florencite-(Ce) : CeAl₃[(OH)₆\|(PO₄)₂]
	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]
	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: 37
Fluorite : CaF₂
	Papachacra Mts, Belen Department, Catamarca, Argentina Green-violet Fluorite. 5 x 5 cm.
© Marcelo O Olsina	Photo ID: 15404 View Count: 1035