Dumortierite
id:
dumortierite-284-622441
title:
Dumortierite
text:
Dumortierite is a fibrous variably colored aluminium boro-silicate mineral, Al7BO3(SiO4)3O3. Dumortierite crystallizes in the orthorhombic system typically forming fibrous aggregates of slender prismatic crystals. The crystals are vitreous and vary in color from brown, blue, and green to more rare violet and pink. Substitution of iron and other tri-valent elements for aluminium result in the color variations. It has a Mohs hardness of 7 and a specific gravity of 3.3 to 3.4. Crystals show pleochr
brand slug:
wiki
category slug:
encyclopedia
description:
Aluminum boro-silicate mineral
original url:
https://en.wikipedia.org/wiki/Dumortierite
date created:
date modified:
2024-04-18T20:21:03Z
main entity:
{"identifier":"Q677619","url":"https://www.wikidata.org/entity/Q677619"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/2/20/Dumorti%C3%A9rite.JPG","width":4288,"height":2848}
fields total:
13
integrity:
15