Answer | Crossword Clue |
---|---|
acmite | rare pyroxene mineral, sodium-ferric iron silicate, NaFe(Si2O6), found in feldspathoid rocks |
sodalites | mineral, sodium aluminum silicate, Na4Al3Si3O12Cl, occurring massive and in crystals, usually blue in color and found in certain alkali-rich igneous rocks |
sodalite | mineral, sodium aluminum silicate, Na4Al3Si3O12Cl, occurring massive and in crystals, usually blue in color and found in certain alkali-rich igneous rocks |
sodalite | a transparent to translucent mineral that consists of a silicate of sodium and aluminum with some chlorine, has a vitreous or greasy luster, and is found in various igneous rocks |