Hollandite
id:
hollandite-269-5538276
title:
Hollandite
text:
Hollandite (chemical formula: Ba(Mn4+6Mn3+2)O16) is a manganese oxide mineral. Its structure consists of double chains of MnO6 octahedra delimiting 2 × 2 tunnels. The electrostatic charge created by the Mn3+ for Mn4+ substitution is balanced by cations in the tunnels. Their nature determines the mineral species: Ba for hollandite, K for cryptomelane, Pb for coronadite, Sr for strontiomelane, Tl for thalliomelane, and Na for manjiroite. Pure species are rare and most 2 × 2 tectomanganates contain
brand slug:
wiki
category slug:
encyclopedia
description:
Barium manganese oxide mineral
original url:
https://en.wikipedia.org/wiki/Hollandite
date created:
date modified:
2024-01-10T01:20:35Z
main entity:
{"identifier":"Q420948","url":"https://www.wikidata.org/entity/Q420948"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/c/ce/Hollandite-171530.jpg","width":640,"height":480}
fields total:
13
integrity:
15