anorthite

• Minéral rare du groupe des feldspaths plagioclases, généralement présent dans certaines roches magmatiques.

A rare mineral of the plagioclase feldspar group, typically found in certain igneous rocks.

1. C2formalscientific

   A rare, calcium-rich plagioclase feldspar mineral that is a common component of many igneous rocks.

   Anorthite (feldspath plagioclase)

   • Anorthite is often found in basaltic and gabbroic rocks.
   • The mineral anorthite has a high melting point compared to other feldspars.
   • Geologists identified anorthite in the lunar rock samples.