🌐EnglishEnglishDeutschEspañolFrançaisNederlandsPolskiPortuguêsSvenskaTiếng ViệtРусскийالعربيةفارسی한국어中文日本語EntityQ107749· pop 33· linked from 193 articlesvolcanic glassmaterialConnectionsglassEntityInternational Standard Book NumberEntityCategoriesGlass in natureVolcanic rocksVolcanology