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Moanda Mine, Moanda, Léboumbi-Leyou Department, Haut-Ogooué Province, Gabon Rhodochrosite. Vasco Trancoso Collection. Size: 13 x 10 x 5.5 cm. Crystals to 6mm. 1168g. Outstanding piece. The colour is beautiful and it is very lustrous and sparkly. This specimen attracted quite a lot of attention at the 2008 St Marie show, and it is the best Gabon Rhodo that has been viewed for more than 30 years now! This one is a world ... Mindat.org Photo of the Day - 23rd Nov 2009 |
| Photo ID: 183281 View Count: 826 | |
Cascandite : Ca(Sc,Fe3+)[HSi3O9] | |
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Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy cascandite - a 2 mm pink and orange group of lamellar crystals on albite sergio varvello photo and collection Mindat.org Photo of the Day - 22nd Nov 2009 |
| Photo ID: 185001 View Count: 433 | |
Pyromorphite : Pb5[Cl|(PO4)3] | |
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Mas Dieu, Mercoirol, Gard, Languedoc-Roussillon, France Field of view : 3mm, Photo & Collection : JM.Johannet. Pineapple like pyromorphite. Yellow color is rather rare at Le Mas Dieu. Mindat.org Photo of the Day - 21st Nov 2009 |
| © JM. Johannet | Photo ID: 118119 View Count: 344 |
Malachite : Cu2[(OH)2|CO3], Gartrellite : Pb(Cu,Fe3+,Zn)2[AsO4,SO4]2 · 2(H2O,OH), Goethite : α-Fe3+O(OH) | |
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Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia 6.0 x 4.4 x 2.2 cm, 22.7g This specimen consists of green malachite on unusual stalactitic formations of goethite with yellow-green balls of gartrellite (visual ID, not analysed). Child photo one: Close-up of malachite on goethite columns; 1 cm field of view. Mindat.org Photo of the Day - 20th Nov 2009 |
| © Eric Graff | Photo ID: 246789 View Count: 395 |
Hemimorphite : Zn4[(OH)2|Si2O7] · H2O | |
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Zorzone Mine, Vedra Valley, Brembana Valley, Bergamo Province, Lombardy, Italy Hemimorphite crystal on matrix Field of view mm 5x3 (Ribasso Ponente) Enrico Bonacina photo, Paolo Capitanio collection Mindat.org Photo of the Day - 19th Nov 2009 |
| © Enrico Bonacina | Photo ID: 239539 View Count: 333 |
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Luis Lopez manganese District, Socorro Co., New Mexico, USA Field of view - 4cm x 3cm A vug of velvety psilomelane. Photographed with a Canon G9 Mindat.org Photo of the Day - 18th Nov 2009 |
| © Cory Boehne | Photo ID: 186204 View Count: 581 |
Alabandite : Mn2+S | |
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Uchucchacua Mine, Oyon Province, Lima Department, Peru A cluster of alabandite crystals, the largest of which is about 2.5 cm. The specimen is 7.5 x 3.8 cm. The small crystals growing on the larger ones are also alabandite. There are some small crystals of proustite and another unknown minerals also on the specimen but not readily apparent on the photo. The specimen is in the collection of Bill Pinch, ... Mindat.org Photo of the Day - 17th Nov 2009 |
| Photo ID: 213834 View Count: 594 | |
Monazite-(Ce) : (Ce,La,Nd,Th)PO4 | |
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Plan-du-Lac, St Christophe-en-Oisans, Bourg d'Oisans, Isère, Rhône-Alpes, France Size of crystal is 1 mm Photo : frédéric Hède Mindat.org Photo of the Day - 16th Nov 2009 |
| Photo ID: 233116 View Count: 417 | |
Eulytine : Bi4[SiO4]3 | |
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Hechtsberg quarry, Hausach, Black Forest, Baden-Württemberg, Germany Picture width is 5mm. Nice green spheres of Eulytine on Chrysocolla. Depth of field is achieved with CombineZM. Mindat.org Photo of the Day - 15th Nov 2009 |
| © Elmar Lackner | Photo ID: 97010 View Count: 391 |
Artsmithite : (Hg-Hg)2+2Al[(OH)1+3x|(PO4)2-x] (x ≈ 0.26) | |
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Funderburk prospect, Pike Co., Arkansas, USA Tan prismatic aggregates on unknown dark colored matrix. S398-12 Field of view is approximately 0.5 cm horizontal. Excalibur Mineral Company specimen. Mindat.org Photo of the Day - 14th Nov 2009 |
| © 2007, JGW | Photo ID: 133582 View Count: 428 |
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