Example Sentences

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To give an example of how large these crystals can get, transparent cleavage sheets of pegmatitic muscovite mica were used as windows during the Middle Ages.

From Textbooks • Jan. 1, 2017

A rock that chiefly consists of pegmatitic texture is known as a pegmatite.

From Textbooks • Jan. 1, 2017

This texture, which indicates a very slow crystallization, is called pegmatitic.

From Textbooks • Jan. 1, 2017

Explain the difference between porphyritic and pegmatitic textures.

From Textbooks • Jan. 1, 2015