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Povondraite Image |
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Povondraite Image |
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| Mineral: | Povondraite: (Na,K)(Fe+++,Fe++)3(Fe,Mg,Al)6(BO3)3Si6O18(OH)4 | |||||
| Comments: | Deep greenish black povondraite crystals. | |||||
| Location: | Malacacheta, Minas Gerais, Brazil. | |||||
| Scale: | See Photo. | |||||
| Copyright: | © Jeff Weissman / Photographic Guide to Mineral Species | |||||
| Counter: | This Image has been shown 664 times | |||||
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