Cervandonite
id:
cervandonite-281-8856952
title:
Cervandonite
text:
Cervandonite is a rare arsenosilicate mineral. It has a chemical formula (Ce,Nd,La)(Fe3+,Fe2+,Ti4+,Al)3SiAs(Si,As)O13 or (Ce,Nd,La)(Fe3+,Fe2+,Ti,Al)3O2(Si2O7)(As3+O3)(OH). It has a monoclinic crustal structure with supercell (Z=6), the crystal structure was established as a trigonal subcell, with space group R3m and a = 6.508(1)Ǻ, c = 18.520(3) Ǻ, V 679.4(2) Ǻ3, and Z=3. It was first described by Buhler Armbruster in 1988, but it has proven to be problem due to the extreme scarcity of single cry
brand slug:
wiki
category slug:
encyclopedia
description:
Sorosilicate mineral
original url:
https://en.wikipedia.org/wiki/Cervandonite
date created:
date modified:
2022-01-22T21:45:06Z
main entity:
{"identifier":"Q3665221","url":"https://www.wikidata.org/entity/Q3665221"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/b/b4/Cervandonite-%28Ce%29.jpg","width":855,"height":666}
fields total:
13
integrity:
15