English
Etymology
plageo, Greek "oblique" + klao, Greek "I cleave"
Noun
plagioclase
- mineralogy A group of feldspar minerals that form a solid solution series from albite (sodium aluminum silicate) to anorthite (calcium aluminum silicate). The plagioclase feldspars are found in igneous, plutonic, and metamorphic rocks. They all have the triclinic-pinacoidal crystal habit, but only Albite commonly occurs in well crystallized specimens.
Related terms
albite
oligoclase
andesine
labradorite
bytownite
anorthite
rock
mineral
feldspar
Translations
Finnish: plagioklaasi
vi:plagioclase
zh:plagioclase
|
