Npe thiab nrhiav tau Berzelius hauv 1824, thiab tau muab lub npe los ntawm nws soda-spodumene (Natron-spodumen), vim nws zoo ib yam li spodumene.
Oligoclase nyob qhov twg?
Oligoclase tshwm sim, feem ntau nrog orthoclase, raws li cov khoom siv ntawm plutonic igneous pob zeb xws li granite, syenite, thiab diorite. Nws tshwm sim hauv porphyry thiab diabase dikes thiab sills nrog rau hauv pob zeb volcanic andesite thiab trachyte, thiab hauv mugearite qhov twg nws lub xub ntiag yog lub ntsiab lus txhais.
pom Bytownite nyob qhov twg?
Bytownite muaj nyob hauv cov pob zeb plutonic, qee cov pob zeb metamorphic, thiab meteorites. Cov chaw muaj xws li Montana; South Dakota; Oklahoma; Minnesota; Wisconsin; Scotland; Askiv; Sweden; Nyiv; thiab South Africa.
pob zeb hom twg yog anorthite?
Anorthite yog ib qho tsis tshua muaj ntau yam ntawm plagioclase. Nws tshwm sim hauv mafic igneous pob. Nws kuj tshwm sim hauv cov pob zeb metamorphic ntawm granulite facies, hauv metamorphosed carbonate pob zeb, thiab corundum deposits. Nws hom chaw yog Monte Somma thiab Valle di Fassa, Ltalis.
Yog Anorthoclase yog feldspar?
Anorthoclase, ib tus tswvcuab ntawm kev txuas ntxiv ntawm feldspar minerals ntsig txogsanidine (q.v.).
