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John Betts - Fine Minerals
Classic minerals, out-of-print books & magazines, plus informative articles for collectors
Volkonskoite
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| Mineral: | Volkonskoite: Ca0.3(Cr+++,Mg,Fe+++)2(Si,Al)4O10(OH)2·4(H2O) | ||||
| Comments: | Specimen of massive, green volkonskoite. | ||||
| Location: | Efimyatskaja Perm, Ural Mts., Russia. | ||||
| Scale: | 1.1 x 1 cm. | ||||
| Copyright: | © John Veevaert | ||||
| Counter: | This Image has been shown 460 times | ||||
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