plagioclase in a sentence
n.
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Definition
Plagioclase is a series of tectosilicate minerals that are a significant component of igneous and metamorphic rocks, characterized by a varying composition of sodium and calcium feldspar.
Sample Sentences
- Plagioclase is a common mineral found in many igneous and metamorphic rocks.
- The geologist identified the plagioclase crystals in the thin section under the microscope.
- During the field trip, we collected samples that contained both quartz and plagioclase.
- Plagioclase feldspar is known for its twinning and varying composition between sodium and calcium.
- In the granite formation, plagioclase played a crucial role in the rock's overall texture and appearance.