plagioclase
Pronunciation:
/ˈpleɪdʒɪəkleɪz//ˈplædʒɪəkleɪz/noun
Definitions
Any of a group of aluminum silicate feldspathic minerals ranging in their ratio of calcium to sodium.
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/ˈpleɪdʒɪəkleɪz//ˈplædʒɪəkleɪz/Definitions
Any of a group of aluminum silicate feldspathic minerals ranging in their ratio of calcium to sodium.