Assertion: anorthite | /r/CapableOf | crystallize an 76–79 feldspars
Facets:
Source sentences:
text: We observed that the melt saturated in forsterite as well as anorthite at high temperature when cooled produced An 81.5–87 feldspar in equilibrium with the melt; as noted earlier, the initial experiments saturated in only anorthite crystallized An 76–79 feldspars.