释义 |
perthite
perthite (ˈpɜːθaɪt) n (Geological Science) mineralogy a type of feldspar that contains both a potassium type (orthoclase) and a sodium type (albite)
perthite
perthite[′pər‚thīt] (geology) A parallel to subparallel intergrowth of potassium and sodium feldspar; the potassium-rich phase is usually the host from which the sodium-rich phase evolves. |