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Alunite : KAl3[(OH)3|SO4]2 | |
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Itaituba, Tapajós Gold Province, Pará, North Region, Brazil Sample with 2cm - January of 2006 |
| © Martins da Pedra | Photo ID: 62925 View Count: 467 |
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Morro dos Seis Lagos, São Gabriel da Cachoeira, Amazonas, North Region, Brazil 150 x 100 x 30 mm. Crystal-Odyssey specimen. gemcrystals@aol.com |
| © Joseph A. Freilich | Photo ID: 108271 View Count: 181 |
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Morro dos Seis Lagos, São Gabriel da Cachoeira, Amazonas, North Region, Brazil 220 x 120 x 40 mm. Crystal-Odyssey specimen. gemcrystals@aol.com |
| © Joseph A. Freilich | Photo ID: 108268 View Count: 97 |
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Morro dos Seis Lagos, São Gabriel da Cachoeira, Amazonas, North Region, Brazil 130 x 75 x 70 mm. Crystal-Odyssey specimen. gemcrystals@aol.com |
| © Joseph A. Freilich | Photo ID: 108279 View Count: 84 |
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Morro dos Seis Lagos, São Gabriel da Cachoeira, Amazonas, North Region, Brazil 140 x 120 x 70. Mined in the early part of the 20th century, from a locality now lost. |
| © Joseph A. Freilich | Photo ID: 108261 View Count: 82 |
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Morro dos Seis Lagos, São Gabriel da Cachoeira, Amazonas, North Region, Brazil 170 x 100 x 45 mm. Crystal-Odyssey specimen. gemcrystals@aol.com |
| © Joseph A. Freilich | Photo ID: 108275 View Count: 77 |
Chalcopyrite : CuFeS2, Quartz : SiO2, Pyrite : FeS2 | |
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Nova Brasília claim, Vila Porto Rico, Pacu gold camp, Jacareacanga, Tapajós Gold Province, Pará, North Region, Brazil Gold ore of Garimpo Nova Brazília. Size 10x6x3.5cm. Rafael Hernandes Corrêa-Silva Collection |
| © Brhounds | Photo ID: 47094 View Count: 492 |
Elbaite : [Na][(Li,Al)3][Al6][(OH)3|OH|(BO3)3|Si6O18] | |
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Pará, North Region, Brazil This extremely gemmy etched/scepter crystal is said to originate from Araguaia, Brazil. It measures 3.3 x 0.5 cm. Houran Collection. |
| © Houran Collection | Photo ID: 216642 View Count: 123 |
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Tocantins, North Region, Brazil 47 x 14 x 13 mm., 18.0 grams., Doubly Terminated Crystal. Robert J. Nowakowski Collection. |
| © Joseph A. Freilich | Photo ID: 196634 View Count: 128 |
Florencite-(La) : LaAl3[(OH)6|(PO4)2] | |
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Igarapé Bahia Mine, Parauapebas, Carajás mineral province, Pará, North Region, Brazil Green crystals of florencite-(La). Picture size 4.5 mm. Photographer and collection Thomas Witzke. |
| © Thomas Witzke | Photo ID: 11490 View Count: 642 |
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