RRUFF #6626

Arsenmedaite

Элементы:Mn As Si O H

Valence:Mn^2+As^5+Si O H

Химия

IMA chemistry:: Mn2+6As5+Si5O18(OH)
Valence chemistry:: Mn2+6As5+Si5O18(OH)

Классификация

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

Происхождение

Country:: Italy
Published:: 2017
Oldest age Ma:: 100
Paragenetic modes:: Abiotic, Stage 4a: Earth's earliest continental crust, PM32 - Ba-Mn-Pb-Zn metamorphics

Примечания

Biagioni C, Belmonte D, Carbone C, Cabella R, Zaccarini F, Balestra C (2019) Arsenmedaite, Mn62+As5+Si5O18(OH), the arsenic analogue of medaite, from the Molinello mine, Liguria, Italy: occurrence and crystal structure. European Journal of Mineralogy 31, 117-126