RRUFF #808

Ahlfeldite

Элементы:Ni Se O H

Valence:Ni^2+Se^4+O H

Химия

IMA chemistry:: Ni(SeO3)·2H2O
Valence chemistry:: Ni2+Se4+O3·2H2O

Классификация

Crystal systems:: monoclinic
Space groups:: P21, n
Structural group:: Cobaltomenite
IMA status:: Approved, Grandfathered

Происхождение

Country:: Bolivia
Published:: 1935
Oldest age Ma:: 416
Paragenetic modes:: Biotic, Secondary, Stage 7: Great Oxidation Event, PM47 - Low-T subaerial oxidative hydration/weathering

Примечания

Herzenberg R, Ahlfeld F (1935) Blockit, ein neues Selenerz aus Bolivien. Zentralblatt für Mineralogie, Geologie und Paläontologie 6, 277-279 Redefined: Aristarain L F, Hurlbut C S (1969) Ahlfeldite from Pacacake Bolivia; A restudy. American Mineralogist 54, 448-456