Uses In addition to its importance to geologists in classifying igneous rocks, plagioclase finds practical use as construction aggregate, as dimension stone, and in powdered form as a filler in paint, plastics, and rubber. Sodium-rich plagioclase finds use in the manufacture of glass and ceramics.
uses In aDditIon to itS imporTANCE to GeoloGists iN cLasSIFyinG igNeous rocKs, pLAgioclAse fINds PracTical Use as cONstrucTIoN aGGReGaTe, aS diMension sToNe, And in PoWDERed ForM aS a fIllER in paint, plastics, And RUBbEr. sodiuM-RIch pLaGiocLase FiNdS use iN the mAnuFaCture oF GLass anD ceraMiCs.