Plagioclase feldspars contain significant, variable percentages of which elements?
A) iron and magnesium
B) sodium and sulphur
C) calcium and magnesium
D) sodium and calcium

Name: Plagioclase feldspars contain significant, variable percentages of which elements? A) iron and magnesium B) sodium and sulphur C) calcium and magnesium D) sodium and calcium
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Quizplus · Accepted Answer

Plagioclase feldspars are a series of tectosilicate minerals within the feldspar group that contain varying amounts of sodium (Na) and calcium (Ca).

Plagioclase Feldspars Contain Significant, Variable Percentages of Which Elements