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/ˈpleɪ.d͡ʒɪ.əˌkleɪz/ · noun
(mineralogy) Any of a group of aluminum silicate feldspathic minerals ranging in their ratio of calcium to sodium..
These crystals are of one of the most abundant minerals in nature – feldspar; furthermore, they are of a particular kind of feldspar rich in the element calcium, termed plagioclase.
Use plagioclase when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Plagioclase means (mineralogy) Any of a group of aluminum silicate feldspathic minerals ranging in their ratio of calcium to sodium..
Common synonyms include oligoclase.
The opposite depends on the specific sense.
These crystals are of one of the most abundant minerals in nature – feldspar; furthermore, they are of a particular kind of feldspar rich in the element calcium, termed plagioclase.
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