Jutzzi 《47:V:25》 on Gab: "Nepheline, also called nephelite (from Ancient Greek: νεφέλη, romanized: nephélē, lit. 'cloud'), is a rock-forming mineral in the feldspathoidgroup

Jutzzi 《47:V:25》 on Gab: "Nepheline, also called nephelite (from Ancient Greek: νεφέλη, romanized: nephélē, lit. 'cloud'), is a rock-forming mineral in the feldspathoidgroup – a silica-u..."