Zircophyllite
id:
zircophyllite-270-5466849
title:
Zircophyllite
text:
Zircophyllite is a complex mineral, formula (K,Na)3(Mn,Fe)2+7(Zr,Ti,Nb)2Si8O24(OH,F)7. It crystallizes in the triclinic – pinacoidal crystal class as dark brown to black micaceous plates. It has perfect 001 cleavage, a Mohs hardness of 4 to 4.5 and a specific gravity of 3.34. Its indices of refraction are nα=1.708 nβ=1.738 nγ=1.747 and it has a 2V optical angle of 62°. It occurs with natrolite in alkali pegmatites. It was discovered in 1972 in the Korgeredabinsh massif, Tuva, Russia and is named
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Zircophyllite
date created:
date modified:
2024-01-11T03:00:19Z
main entity:
{"identifier":"Q4024572","url":"https://www.wikidata.org/entity/Q4024572"}
image:
fields total:
13
integrity:
13