Vocabulary Entry

plagioclase

|noun

noun

A type of feldspar mineral that is commonly found in igneous rocks and characterized by its plagioclase composition.

Example Sentences

"The geologist collected a sample of plagioclase for further analysis."

"Plagioclase is often found alongside quartz and mica in granite formations."

"The mineral composition of the rock included both orthoclase and plagioclase."