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Ferric-ferronyboite
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| Mineral: | Ferric-ferronyboite: NaNa2(Fe++)3(Fe+++)2(Si7Al)O22(OH)2 | ||||
| Comments: | Black granular-prismatic masses of ferric-ferronyboite. Associated minerals are white albite and beige zircon. | ||||
| Location: | Abdong (Aptong) Zr-Nb deposit, Pyonggang-gun, Kangwon Province, North Korea. | ||||
| Scale: | Picture Size 12x10 mm. | ||||
| Copyright: | © Pavel M. Kartashov | ||||
| Counter: | This Image has been shown 138 times | ||||
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