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Papachacra, Belen Department, Catamarca, Argentina Big microcline crystal with some bluish albite. 6.5 x 6 cm. |
| © Marcelo O. Olsina | Photo ID: 18621 View Count: 510 |
Microcline : K[AlSi3O8], Quartz (Var: Smoky Quartz) : SiO2 | |
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Papachacra, Belen Department, Catamarca, Argentina Several smoky Quartz crystals with Microcline. 7.8 x 5.3 x 2 cm. |
| © Nik Nikiforou | Photo ID: 33066 View Count: 424 |
Microcline : K[AlSi3O8], Florencite-(Ce) : CeAl3[(OH)6|(PO4)2] | |
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Papachacra, Belen Department, Catamarca, Argentina Specimen size: 3.0 x 2.0 x 1.8 cm. In its faces there are red brown microcrystals (size less than 0.5 mm) of Florencite-Ce. |
| © JCLodovichi | Photo ID: 29142 View Count: 408 |
Microcline : K[AlSi3O8], Quartz (Var: Smoky Quartz) : SiO2, Albite : Na[AlSi3O8] | |
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Papachacra, Belen Department, Catamarca, Argentina Pink-orange Microcline crystals, Green Albite and smoky Quartz. Overall Size: 4 x 5 cm. |
| © Marcelo O Olsina | Photo ID: 15406 View Count: 346 |
Microcline : K[AlSi3O8], Quartz (Var: Smoky Quartz) : SiO2 | |
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Papachacra, Belen Department, Catamarca, Argentina Specimen size: 6.3 x 3.3 x 4.1 cm. Size of longest crystal: 2.7 cm. |
| © JCLodovichi | Photo ID: 41605 View Count: 310 |
Microcline : K[AlSi3O8] | |
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Papachacra, Belen Department, Catamarca, Argentina Cream-white Baveno-law twin. Overall size 6.5 x 2 x 1.5 cm. Ex. Martin Zinn 2395. Now Roarke Family Collection M1326. |
| © Michael C. Roarke | Photo ID: 81755 View Count: 272 |
Microcline : K[AlSi3O8] | |
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Papachacra, Belen Department, Catamarca, Argentina Specimen size: 6x6 cm. Specimen and photo Leon Hupperichs. |
| © Leon Hupperichs | Photo ID: 150040 View Count: 216 |
Microcline : K[AlSi3O8], Quartz (Var: Smoky Quartz) : SiO2 | |
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Papachacra, Belen Department, Catamarca, Argentina 8.6 x 6.7 x 3.8 cm. Another unusual specimen from the Argentine travels of collector Dave Stoudt, again from an area known more for its rhodo specimens - a cluster of large, chunky crystals of smoky quartz, with just a bit of attached accenting microcline matrix. You can see a sprinkling of tiny inclusions just inside the crystal faces, of what ... |
| © Rob Lavinsky | Photo ID: 170712 View Count: 182 |
Microcline : K[AlSi3O8], Quartz (Var: Smoky Quartz) : SiO2 | |
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Papachacra, Belen Department, Catamarca, Argentina Rose prismatic Microcline crystals with lustrous Smoky Quartz. Specimen size 6x5x3 cm. Bought in El Bolson, Patagonia, Argentina, 2004. Photo and collection Alessandro Cantamessa (#1156). |
| Photo ID: 202244 View Count: 158 | |
Microcline : K[AlSi3O8], Hematite : Fe2O3 | |
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Papachacra, Belen Department, Catamarca, Argentina Microcline crystals covered by Hematite Sample size: 7 X 3,5 cm Collection and photo: Arliguie M |
| © Arliguie M | Photo ID: 138246 View Count: 149 |
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