Aranan: volkanik kayalardan elde edilen seramikçilik ve sırlama işinde kullanılan sodyum-alüminyum ve potasyum-alüminyum silikatli mineral
nepheline
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Çeviriler
isim
- nepheline General
Tanımlar (İngilizce)
- isim A feldspathoid mineral of silica-poor igneous, plutonic and volcanic rocks. Chemically, nepheline is a plagioclase feldspar with insufficient silica to satisfy the chemical bonds. Because of the unfilled bonds, nepheline weathers rapidly and can only be seen as inclusions in freshly broken rock.