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ATHENA

MINERALOGY

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Mineral:JEDWABITE
Formula:Fe7(Ta,Nb)3
Crystal System:Hexagonal
Strunz Nr:1/A.08-50
References:ZVMO 126/2 (1997), 100; MR 5 (1998), 472; AM 83 (1998), 654
Type Locality:Aktai River, near Kushva, Nizhnii Tagil, Sverdlovsk (Ekaterinburg), Urals, Russia
Comments:Prof. J.Jedwab (not J.Jedvab or J.Edvab as in ZVMO)

Jedwabite
interstitial (between (Ta,Nb)C and (Nb,Ta)C xls)
Aktai river, Nijni Tagilsk, Ural, Russia
Photo J. Jedwab. Coll. P. Perroud
(Scanning electron microscope, back-scattered mode
Length of xl group: 160 micrometer.)
More info: athena.unige.ch -> mineral pictures

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