Iron pyrite qee zaum sib nqus thiab kub yeej tsis sib nqus. Cov kws tshawb fawb thiab cov kws tshaj lij los ntawm University of Minnesota tau hloov qhov tsis zoo ntawm cov pyrite, lossis "fool's gold," rau hauv cov khoom siv hlau nplaum. … Pyrite muaj ntau heev uas ntau tus kws tshawb fawb geologists xav tias nws yog ib qho ntxhia thoob plaws ntiaj teb.
Yuav ua li cas cov hlau nplaum yuav khaws cov hlau pyrite?
Pyrite tsis yog magnetic. Qee cov zaub mov muaj feem xyuam yog, tab sis tsuas yog tsis muaj zog, tsis muaj zog li hlau, yog li qhov kev sim yuav ua tsis tiav. Magnetism tsis yog ib qho khoom vaj khoom tsev ntawm ib lub caij, tab sis yog qhov sib xyaw.
Puas yog tus neeg ruam tus kub sib nqus?
Nyob rau hauv kev tshawb nrhiav tshiab, cov kws tshawb fawb thiab cov kws tsim qauv tau hloov hluav taws xob hloov pauv ntau thiab qis-nqi tsis yog cov khoom siv hlau nplaum hlau sulfide, tseem hu ua 'fool's kub' lossis pyrite, rau hauv cov khoom sib nqus.
YPuas yog pyrite magnetic los yog nonmagnetic?
Pyrite thiab kub ob leeg muaj cov xim hlau ci ntsa iab tab sis txawv cov xim daj. Txawm hais tias kub yog hlau, nws yog cov hlau tsis muaj hlau (xws li muaj cov ntsiab lus hlau tsawg), yog li nws yuav tsis lo rau hlau nplaum; pyrite, txawm li cas los xij, muaj cov ntsiab lus hlau siab thiab yuav!
Yuav ua li cas koj tuaj yeem qhia kub los ntawm hlau pyrite?
Kuv tuaj yeem qhia qhov txawv ntawm kub thiab pyrite (tus neeg ruam kub) li cas? Xim: Kub thiab pyrite ob leeg muaj cov xim hlau ci ntsa iab, tab sis yog cov tones sib txawv ntawm daj. Kub yog golden rau silvery daj, whereas pyrite yog daj ntseg raunruab nrab brassy daj uas qee zaum tarnishes.