Qhov sib txawv tseem ceeb ntawm muscovite thiab biotite yog muscovite muaj cov poov tshuaj thiab txhuas, thaum biotite feem ntau muaj cov poov tshuaj thiab magnesium.
Muscovite thiab biotite yog cov zaub mov phyllosilicate. Lawv muaj ntau qhov sib xws, nrog rau qee qhov sib txawv. Qee zaum peb hu muscovite li "dawb mica" thiab biotite li "dub mica".
Muscovite yog dab tsi?
Muscovite yog hom hydrated phyllosilicate ntxhia ntawm txhuas thiab poov tshuaj. Cov tshuaj formula rau cov ntxhia no yog cov qauv nyuaj, thiab peb tuaj yeem muab nws li KAl 2(AlSi3O10)(FOH)2Nws cov yam ntxwv tseem ceeb tshaj plaws yog nws qhov zoo tshaj plaws basal cleavage. Tsis tas li ntawd, qhov cleavage no ua rau cov ntawv nyias nyias (lossis lamellae), uas feem ntau elastic heev.
Daim duab 01: Muscovite
Lub kaw lus siv lead ua ntawm cov pob zeb no yog monoclinic. Feem ntau, nws yog xim dawb lossis tsis muaj xim, tab sis nws tuaj yeem muaj xim xws li grey, xim av, ntsuab, thiab lwm yam. Cov xim ntsuab yog nplua nuj nyob rau hauv chromium. Cov ntxhia pob zeb yog pob tshab los yog translucent. Ntxiv mus, nws muaj siab birefringence, thiab nws yog anisotropic ib yam nkaus. Qhov tawg ntawm muscovite yog micaceous. Peb tuaj yeem piav qhia txog nws qhov tenacity li elastic tenacity. Nws muaj vitreous lustre, thiab cov ntxhia streak yog dawb. Tsis tas li ntawd, muscovite yog ib qho tseem ceeb hauv kev tsim cov khoom siv hluav taws xob, cov ntaub ntawv insulating, ua cov roj nplua nyeem, thiab lwm yam.
YBiotite yog dab tsi?
Biotite yog phyllosilicate ntxhia uas feem ntau muaj magnesium thiab potassium. Ntxiv mus, nws cov tshuaj formula tuaj yeem muab tau raws li K(Mg, Fe)3AlSi3O10 (F, OH)2 Tsis tas li, qhov no yog daim ntawv silicate. Cov nplooj ntawv tsis muaj zog khi rau ib leeg ntawm cov poov tshuaj ions. Qee lub sij hawm, peb hu cov pob zeb no "hlau mica" vim hais tias cov ntxhia yog nplua nuj nrog hlau thiab nws belongs rau cov maub dub series.
Daim duab 02: Biotite
Cov qauv siv lead ua yog monoclinic. Thaum xav txog qhov tsos, nws tshwm nyob rau hauv tsaus xim av los yog greenish-xim av xim. Qhov tawg ntawm cov pob zeb no yog micaceous. Tsis tas li ntawd, lub tenacity ntawm biotite yog nkig rau saj zawg zog. Nws muaj vitreous rau pearly lustre. Cov ntxhia streak ntawm biotite yog dawb. Ntxiv mus, nws cov khoom kho qhov muag tuaj yeem sib txawv ntawm pob tshab mus rau translucent rau opaque. Cov ntxhia kuj tseem muaj txiaj ntsig rau kev txiav txim siab lub hnub nyoog ntawm pob zeb thiab hauv kev ntsuas qhov kub thiab txias keeb kwm ntawm cov pob zeb metamorphic.
Dab tsi yog qhov zoo sib xws ntawm Muscovite thiab Biotite?
- Ob leeg muscovite thiab biotite muaj cov qauv siv lead ua monoclinic.
- Ntxiv mus, lawv muaj xim dawb pob zeb streak.
Qhov txawv ntawm Muscovite thiab Biotite yog dab tsi?
Muscovite yog ib hom hydrated phyllosilicate ntxhia ntawm txhuas thiab poov tshuaj thaum Biotite yog phyllosilicate ntxhia uas feem ntau muaj magnesium thiab potassium. Yog li, qhov sib txawv tseem ceeb ntawm muscovite thiab biotite yog tias muscovite muaj cov poov tshuaj thiab txhuas, thaum biotite feem ntau muaj cov poov tshuaj thiab magnesium.
Ntxiv mus, muscovite yog dawb lossis tsis muaj xim, tab sis nws tuaj yeem muaj xim xws li grey, xim av, ntsuab, thiab lwm yam thaum biotite tshwm hauv xim av tsaus lossis xim ntsuab-xim av. Yog li, qhov no yog qhov pom qhov txawv ntawm muscovite thiab biotite.
Hauv qab no yog ib qho infographic uas tabulates qhov sib txawv ntawm muscovite thiab biotite kom meej.
Summary – Muscovite vs Biotite
Muscovite yog ib hom hydrated phyllosilicate ntxhia ntawm txhuas thiab poov tshuaj thaum Biotite yog phyllosilicate ntxhia uas muaj magnesium thiab potassium feem ntau. Yog li, qhov sib txawv tseem ceeb ntawm muscovite thiab biotite yog muscovite muaj cov poov tshuaj thiab txhuas, thaum biotite feem ntau muaj cov poov tshuaj thiab magnesium.
