2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Qhov ntxeev lus yog anhedral (tseem hu ua xenomorphic lossis allotriomorphic): lub pob zeb uas muaj kev ntxhib los mos yog tsim los ntawm cov ntxhia pob zeb uas tsis muaj lub ntsej muag zoo nkauj siv lead ua los yog cov duab ntoo khaub lig hauv ntu nyias. … Yog li, snowflakes daim ntawv euhedral, rau-sided twinned crystals.
Puas yog cov ntxhia crystalline?
Txhua yam minerals, los ntawm txhais yog kuj muaju. Kev ntim cov atoms hauv cov qauv siv lead ua yuav tsum tau ua kom zoo thiab rov ua dua atomic. Xws li kev npaj yuav tsum tau ua kom tiav qhov chaw zoo thiab khaws tus nqi sib npaug.
Qhov txawv ntawm anhedral thiab euhedral yog dab tsi?
Euhedral cov zaub mov qhia zoo meej lossis ze li lub ntsej muag zoo meej. Subhedral minerals yog sib npaug tab sis tseem qhia cov yam ntxwv ntawm cov pob zeb hauv av. Anhedral crystals yog qhov tsis sib xws hauv cov duab thiab tsis zoo li tus yam ntxwv daim ntawv rau cov ntxhia.
pob zeb diamond crystallization yog dab tsi?
A geode yog ib lub pob zeb sib npaug, hollow pob zeb uas feem ntau lined nrog cov pob zeb hauv av. Nws yog tsim nyob rau hauv txoj kev uas tag nrho cov minerals feem ntau yog tsim-los ntawm crystallization, txheej txheem los ntawm cov atoms yog teem los tsim ib cov khoom siv lead ua qauv. … Thaum cov kua no txias mus rau ib lub xeev khov, lawv tsim muaju.
txhais li cas los ntawm anhedral siv lead ua?
anhedral (allotriomorphic) Lub sij hawm morphological xa mus rau grains hauv pob zeb tsis pomuas tsis muaj crystalline zoo li qub. Anhedral cov ntaub ntawv yog tsim los thaum ib tug crystal dawb kev loj hlob nyob rau hauv ib tug yaj yog inhibited los ntawm lub xub ntiag ntawm ib puag ncig crystals.
Pom zoo:
Qhov twg yog cov ntxhia softest?
Talc yog qhov softest thiab pob zeb diamond yog qhov nyuaj tshaj. Txhua lub pob zeb tuaj yeem khawb tsuas yog cov hauv qab nws ntawm qhov ntsuas. Qhov twg yog cov khoom softest? Raws li Mohs nplai, talc, tseem hu ua soapstone, yog cov ntxhia pob zeb zoo tshaj plaws;
Puas yog halite yog cov ntxhia silicate?
A silicate mineral yog cov ntxhia uas muaj kev sib xyaw ntawm 2 lub ntsiab lus Silicon thiab Oxygen. … Halite yog ib qho ntxhia. Nws muaj cov tshuaj muaj pes tsawg leeg ntawm NaCl (sodium chloride) thiab feem ntau yog siv rau lub rooj ntsev, yog li lub npe menyuam yaus 'pob zeb ntsev'.
Nyob hauv nws cov hmoov ua cov ntxhia hematite?
Hematite yog qhov tseem ceeb tshaj plaws ntawm cov hlau ore ntawm hlau Hlau ore yog cov khoom siv raw siv los ua npua hlau, uas yog ib qho ntawm cov khoom siv tseem ceeb los ua steel- 98% ntawm cov mined hlau ore yog siv los ua hlau. https://en.
Yuav ua li cas cov ntxhia crystallized ntawm qhov kub qis tshaj?
minerals uas crystallize ntawm qhov kub qis tshaj (quartz, muscovite, alkali feldspar) yog nplua nuj nyob rau hauv Si thiab Al; pob zeb uas muaj cov minerals no yog felsic nyob rau hauv muaj pes tsawg leeg (granite, rhyolite). Yuav ua li cas ntawm cov pob zeb tsis pom kev hauv qab no muaj cov zaub mov uas crystallize ntawm qhov kub thiab txias?
Dab tsi yog hom lattice imperfections pom hauv cov muaju?
Muaj peb hom kev siv lead ua tsis zoo: Point defects. kab defects. Planar defects. Dab tsi yog hom lattice imperfections pom nyob rau hauv crystals chav kawm 12? Schottky defect muaj feem ntau hauv cov khib nyiab ionic uas cations thiab anions yog qhov sib piv loj thaum Frenkel qhov tsis xws luag muaj feem ntau hauv cov khib nyiab ionic uas cations thiab anions muaj qhov sib txawv loj hauv Lawv qhov loj me ionic.