Demantoid
id:
demantoid-231-2270481
title:
Demantoid
text:
Demantoid is the green gemstone variety of the mineral andradite, a member of the garnet group of minerals. Andradite is a calcium- and iron-rich garnet. The chemical formula is Ca3Fe2(SiO4)3 with chromium substitution as the cause of the demantoid green color. Ferric iron is the cause of the yellow in the stone. It has the misnomers olivine and Uralian emerald. In approximately 2003, reports began to circulate in the trade that some Russian demantoid garnets were being routinely subjected to he
brand slug:
wiki
category slug:
encyclopedia
description:
Green gemstone variety of the mineral andradite
original url:
https://en.wikipedia.org/wiki/Demantoid
date created:
2005-03-09T00:23:41Z
date modified:
2024-09-15T18:26:40Z
main entity:
{"identifier":"Q2414437","url":"https://www.wikidata.org/entity/Q2414437"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/0/06/Andradite-Stilbite-Ca-dem05a.jpg","width":1800,"height":1522}
fields total:
13
integrity:
16