https://serc.carleton.edu/NAGTWorkshops/mineralogy/activities/MinEx12PlagPhaseDiagram.html
Plagioclase Phase Diagram
This short exercise involves the binary plagioclase "two-phase loop" phase diagram.
phase diagramplagioclase
https://gemsprings.com/spectrolite/
Spectrolite: Labradorite (plagioclase feldspar), Origins, Treatments, Prices and Uses | Gemsprings
Spectrolite is a labradorite (plagioclase feldspar), (Ca,Na)(Al,Si)₄O₈, and sits at 6–6.5 on the Mohs scale. Its colour comes from full-spectrum...
plagioclase feldsparspectrolitelabradoriteoriginstreatments
https://gbank.gsj.jp/geolis/geolis_link/200010739/en
Thermodynamics of Fe3+, Fe2+ and Mg bearing Plagioclase - Its petrological application - (abs.)
thermodynamicsbearingplagioclasepetrologicalapplication