Anorthite Access
: It is a critical component in the production of low-expansion ceramics and glass, where it helps lower sintering temperatures and increase mechanical strength.
: Typically white, grey, or colorless; can also appear yellowish or reddish.
: Special anorthite-based glass-ceramics are used for joining SiCcap S i cap C anorthite
Anorthite ( ) is the calcium-rich end-member of the series. While it is a primary rock-forming mineral that is relatively rare in its pure form on Earth, it is a dominant component of the lunar highlands . 1. Composition and Physical Properties
: Studies suggest that ancient anorthite crust subducted into Earth's mantle may accumulate at depths of 660–720 km rather than returning to the surface. 3. Industrial and Scientific Applications : It is a critical component in the
ceramic components in high-temperature environments, maintaining strength up to Anorthite ( An90−100cap A n sub 90 minus 100 end-sub An0−10cap A n sub 0 minus 10 end-sub Primary Cation Common Origin High-temperature magmas, Moon Low-temperature magmas, Earth's crust Density Slightly higher Slightly lower Primary Rock Anorthosite, Gabbro Granite, Rhyolite
: During the early cooling of the Moon, anorthite crystals were less dense than the surrounding basaltic magma. They floated to the surface, forming a thick crust of anorthosite (a rock composed of 90–100% plagioclase). While it is a primary rock-forming mineral that
Anorthite is characterized by a three-dimensional network structure of SiO4cap S i cap O sub 4 AlO4cap A l cap O sub 4 tetrahedra. :