hornblende
mountain
The mountain [Mount Erie] is composed mostly of feldspar- and hornblende-rich diorite.
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tags
silicate mineral
mineral
Wikidata
https://www.wikidata.org/wiki/Q1057300
Wikimedia
https://commons.wikimedia.org/wiki/Category:Hornblende
Wikipedia
https://en.wikipedia.org/wiki/Hornblende