pegmatite   (TTS Sound)

The pegmatite has 1 Senses.

• pegmatite
• a form of igneous rock consisting of extremely coarse granite resulting from the crystallization of magma rich in rare elements
• 珍しい要素が豊富なマグマの結晶化から生じている極めてきめの粗い花崗岩からなる火成岩の形