Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Na Al Si3O8-pt#Sense
Na Al SI3O3-en#Sense
Feldspath sodique-fr#Sense
Natronveldspaat-nl#Sense
Sodafältspat-sv#Sense
Natronfeldspat-de#Sense
Soda felspar-en#Sense
Albita-es#Sense
Albiet-nl#Sense
Feldspato sódico-pt#Sense
Feldespato sódico-es#Sense
Feldspato sodico-it#Sense
`Aστριος Nατριούχος-el#Sense
Natronmaasälpä-fi#Sense
Soda feldspar-en#Sense
Albite-pt#Sense