Feldspar tau muab nws lub npe los ntawm Johan Gottschalk Wallerius hauv 1747. Nws yog ib qho kev cog lus ntawm lub npe ntev dua li qee qhov qauv thaum ntxov tau pom nyob rau hauv teb.
feldspar tuaj qhov twg?
Feldspars crystallize los ntawm magma ua ob qho tib si intrusive thiab extrusive igneous pob zebthiab tseem muaj nyob rau hauv ntau hom metamorphic pob zeb. Pob zeb tsim yuav luag tag nrho ntawm calcic plagioclase feldspar yog hu ua anorthosite. Feldspars kuj pom muaj nyob hauv ntau hom pob zeb sedimentary.
feldspar pom hauv dab tsi?
"Feldspar" yog lub npe ntawm ib pawg loj ntawm cov pob zeb tsim silicate minerals uas ua rau ntau tshaj 50% ntawm lub ntiaj teb crust.[1] Lawv pom nyob rau hauv igneous, metamorphic, thiab sedimentary pob zeb nyob rau hauv txhua qhov chaw ntawm lub ntiaj teb no. Feldspar minerals muaj cov qauv zoo sib xws, tshuaj muaj pes tsawg leeg, thiab lub cev muaj zog.
feldspar nyob qhov twg hauv Asmeskas?
Cov xeev sab saum toj uas tsim cov feldspar yog North Carolina, Virginia, California, Oklahoma, Idaho, Georgia thiab South Dakota, nyob rau hauv nqes los ntawm kwv yees tonnage. Feldspar processors tau tshaj tawm cov khoom lag luam rov qab los ntawm mica thiab silica xuab zeb.
feldspar siv rau dab tsi?
Lub sij hawm feldspar encompasses tag nrho cov khoom. Feem ntau ntawm cov khoom uas peb siv niaj hnub no yog ua los ntawm feldspar: iav rau haus, iav tiv thaiv, fiberglass rau rwb thaiv tsev, cov vuas hauv pem teb thiab da dej hauv peb chav dej, thiab cov tais diav ntawm qhov peb noj. Feldspar yog ib feem ntawm peb lub neej txhua hnub.