Tumchaite
id:
tumchaite-320-2493493
title:
Tumchaite
text:
Tumchaite, Na2(Zr,Sn)Si4O11·H2O, is a colorless to white monoclinic phyllosilicate mineral. It is associated with calcite, dolomite, and pyrite in the late dolomite-calcite carbonatites. It can be transparent to translucent; has a vitreous luster; and has perfect cleavage on {100}. Its hardness is 4.5, between fluorite and apatite. Tumchaite is isotypic with penkvilksite. The structure of the mineral is identified by silicate sheets parallel {100}, formed by alternation of clockwise and counterc
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Tumchaite
date created:
date modified:
2023-02-01T02:42:28Z
main entity:
{"identifier":"Q4000408","url":"https://www.wikidata.org/entity/Q4000408"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/7/7c/Tumchaite-163787.jpg","width":755,"height":653}
fields total:
13
integrity:
14