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Actinolite : ☐Ca2(Mg,Fe2+)5(Si8O22)(OH)2, Tremolite : ☐[Ca2][Mg5][(OH)2|Si8O22], Talc : Mg3Si4O10(OH)2 | |
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Morro da Mina Mine, Conselheiro Lafaiete (old Queluz de Minas), Minas Gerais, Southeast Region, Brazil Nice Actinolite crystals in Actinolite tremolite talc schist. Size 10.5x6.5x2.5cm. Rafael Hernandes Corrêa-Silva Collection. |
| © Brhounds | Photo ID: 46646 View Count: 739 |
Calcite : CaCO3, Pyroxmangite : MnSiO3 | |
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Conselheiro Lafaiete (old Queluz de Minas), Minas Gerais, Southeast Region, Brazil 7 cm calcite agregate on pyroxmangite. |
| Photo ID: 49682 View Count: 270 | |
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Morro da Mina Mine, Conselheiro Lafaiete (old Queluz de Minas), Minas Gerais, Southeast Region, Brazil Hematite cristal with 15x15cm 4,200kg From Minas Gerais Brasil |
| Photo ID: 231437 View Count: 31 | |
Opal : SiO2·nH2O | |
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Conselheiro Lafaiete (old Queluz de Minas), Minas Gerais, Southeast Region, Brazil 12 cm manganese ore with opal from a rare lacality. Not so bad!!! |
| Photo ID: 49542 View Count: 383 | |
Opal (Var: Opal-AN) : SiO2·nH2O, Kutnohorite : Ca(Mn,Mg,Fe)(CO3)2 | |
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Conselheiro Lafaiete (old Queluz de Minas), Minas Gerais, Southeast Region, Brazil 6 x 5,5 cm |
| © Bráulio | Photo ID: 66999 View Count: 357 |
Pyroxmangite : MnSiO3 | |
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Conselheiro Lafaiete (old Queluz de Minas), Minas Gerais, Southeast Region, Brazil A 4.0 by 2.1 cms crystal of deep pink pyroxmangite. John Sobolewski specimen and photograph. |
| © John Sobolewski | Photo ID: 46008 View Count: 600 |
Pyroxmangite : MnSiO3 | |
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Conselheiro Lafaiete (old Queluz de Minas), Minas Gerais, Southeast Region, Brazil A 4.7 cm specimen of Pyroxmangite. There is one large crystal face on the front. The sides have contact fractures and etched regions. The back of the specimen has hundreds of Pyroxmangite micro crystals. This specimen was a steal at $5.00 at a local show. In the collection of J. Wingard. |
| © J.N. Wingard | Photo ID: 18817 View Count: 557 |
Pyroxmangite : MnSiO3 | |
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Morro da Mina Mine, Conselheiro Lafaiete (old Queluz de Minas), Minas Gerais, Southeast Region, Brazil A twinned crystal of Pyroxmangite. Bright red. 4.5 cm. My collection. |
| © J. Wingard | Photo ID: 33065 View Count: 317 |
Pyroxmangite : MnSiO3 | |
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Conselheiro Lafaiete (old Queluz de Minas), Minas Gerais, Southeast Region, Brazil 4.2 cm crystal. |
| Photo ID: 49670 View Count: 253 | |
Pyroxmangite : MnSiO3 | |
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Conselheiro Lafaiete (old Queluz de Minas), Minas Gerais, Southeast Region, Brazil Size: 4 x 2 cm Collection and photo: Arliguie M |
| © Arliguie M | Photo ID: 94208 View Count: 144 |
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