Arfvedsonite
id:
arfvedsonite-278-17564773
title:
Arfvedsonite
text:
Arfvedsonite or soda hornblende (partiellement obsolète) is a sodium amphibole mineral with composition: [Na][Na2][(Fe2+)4Fe3+][(OH)2|Si8O22]. It crystallizes in the monoclinic prismatic crystal system and typically occurs as greenish black to bluish grey fibrous to radiating or stellate prisms. It is a rather rare mineral occurring in nepheline syenite intrusions and agpaitic (peralkaline) pegmatites and granites as the Golden Horn batholith in Okanogan County, Washington (type locality for zek
brand slug:
wiki
category slug:
encyclopedia
description:
Sodium amphibole mineral
original url:
https://en.wikipedia.org/wiki/Arfvedsonite
date created:
date modified:
2024-04-11T16:46:07Z
main entity:
{"identifier":"Q2008960","url":"https://www.wikidata.org/entity/Q2008960"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/6/6f/Arfvedsonit-167989.jpg","width":889,"height":768}
fields total:
13
integrity:
15