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Actinolite : ☐Ca2(Mg,Fe2+)5(Si8O22)(OH)2 | |
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Minas Gerais, Southeast Region, Brazil 3 x 2 cm. |
| © Marcelo O. Olsina | Photo ID: 14861 View Count: 1148 |
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: 738 |
Actinolite : ☐Ca2(Mg,Fe2+)5(Si8O22)(OH)2 | |
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Ponte Nova, Minas Gerais, Southeast Region, Brazil Actinolite Crystals filling cavit in actnolite schist. Size 6x2.5x4cm. Rafael Hernandes corrêa-Silva Collection |
| © Brhounds | Photo ID: 59114 View Count: 385 |
Aegirine : NaFe3+[Si2O6], Albite : Na[AlSi3O8], Quartz : SiO2 | |
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Minas Gerais, Southeast Region, Brazil Aegirine Crystal with albite and quartz. Size 4x1x1cm. Rafael Hernandes Corrêa-Silva Collection |
| © Brhounds | Photo ID: 46924 View Count: 632 |
Albite : Na[AlSi3O8], Muscovite : KAl2[(OH)2|AlSi3O10] | |
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Pederneira claim, São José da Safira, Doce valley, Minas Gerais, Southeast Region, Brazil Tan muscovite crystal aggregates on aggregated white, tabular albite crystals. 10x8 cm. |
| Photo ID: 47991 View Count: 441 | |
Albite : Na[AlSi3O8] | |
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Sapucaia Mine, Sapucaia do Norte, Galiléia, Doce valley, Minas Gerais, Southeast Region, Brazil Group crystallized with 7x7x6cm - February of 2004 |
| © Martins da Pedra | Photo ID: 41075 View Count: 406 |
Albite : Na[AlSi3O8] | |
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Coronel Murta, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil Specimen 80x70x50 mm. Rui Nunes specimen and photo. |
| © Rui Nunes 2005 | Photo ID: 45476 View Count: 383 |
Albite : Na[AlSi3O8] | |
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Sapucaia Mine, Sapucaia do Norte, Galiléia, Doce valley, Minas Gerais, Southeast Region, Brazil Sample crystallized with 7x3,5x2,5cm - December of 1989 |
| © Martins da Pedra | Photo ID: 41077 View Count: 356 |
Albite : Na[AlSi3O8], Microcline : K[AlSi3O8] | |
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Urucum mine (Tim mine; Córrego do Urucum pegmatite), Galiléia, Doce valley, Minas Gerais, Southeast Region, Brazil 12 cm agregate of albite on microcline. |
| Photo ID: 49689 View Count: 349 | |
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Fazenda Rubin Pimenta Mine, Capelinha, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil Albite crystals up to 2cm - Overall size 8x5x4cm - October of 2006 |
| © Martins da Pedra | Photo ID: 79854 View Count: 279 |
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