KnowraPlagioclaseLinked fromLinked fromThe 18 pages that link to Plagioclase, each with the reason it gives.All 18Broader topic 5Related 7Narrower topic 2Compared with 4AnorthositeNarrower topic: It is the dominant mineral, and its composition commonly identifies anorthosite varieties.AnorthiteNarrower topic: Anorthite defines the calcium-rich end of this compositional series.