Слюда. Московский шлиф — — Отличный фильм
Txheem:
Cov pab pawg mica uas muaj cov txheej txheem silicates, phyllosilicate cov zaub mov, suav nrog ntau cov ntaub ntawv zoo sib xws nrog yuav luag zoo meej cleavage ntawm lub hauv paus.
Yuav cov gemstones ntuj hauv peb lub khw gemstone
Mica yog pseudohexagonal siv lead ua.
Lawv tag nrho cov monoclinic, nrog ib tug nyiam mus rau pseudohexagonal crystals, thiab muaj cov tshuaj zoo sib xws. Qhov yuav luag zoo meej cleavage, uas yog cov yam ntxwv tshaj plaws, yog vim lub hexagonal, phaj zoo li kev npaj ntawm cov atoms.
Lub npe los ntawm Latin lo lus mica, lub ntsiab lus crumb, thiab tej zaum cuam tshuam los ntawm micare, kom ci.
Qhov tshwm sim ntawm cov nplooj ntawv mica
Nws yog dav thiab tshwm sim nyob rau hauv igneous, metamorphic thiab sedimentary systems. Cov muaju loj siv rau ntau lub hom phiaj feem ntau yog muab rho tawm los ntawm granite pegmatites.
Txog rau thaum xyoo pua XNUMXth, cov khoom siv lead ua loj loj tau tsawg heev thiab kim vim muaj cov khoom siv tsawg hauv Tebchaws Europe. Txawm li cas los xij, lawv cov nqi poob qis heev thaum muaj peev txheej loj tau pom thiab mined hauv Africa thiab South America thaum pib ntawm lub xyoo pua XNUMXth.
Cov ntaub ntawv loj tshaj plaws ib leeg-crystalline phlogopite tau tshawb pom ntawm Lacey Mine, Ontario, Canada, ntsuas 10 m × 4.3 m × 4.3 m (33 ft × 14 ft × 14 ft) thiab hnyav kwv yees li 330 tonnes (320 ntev tons, 360 luv tons. ). Crystals ntawm qhov loj me kuj tau pom nyob rau hauv Karelia, Russia.
Moscow thaj chaw
Lub British Geological Survey tau tshaj tawm tias xyoo 2005, Koderma koog tsev kawm ntawv hauv Jharkhand, Is Nrias teb, muaj cov deposits loj tshaj plaws nyob rau hauv lub ntiaj teb no. Tuam Tshoj yog tus tsim khoom loj tshaj plaws, suav txog yuav luag ib feem peb ntawm lub ntiaj teb sib koom, ua raws li Asmeskas, Kaus Lim Qab Teb thiab Canada.
Loj deposits ntawm daim ntawv hlau tau mined nyob rau hauv New England los ntawm lub xyoo pua 19th mus rau XNUMXth caug xyoo. Cov mines loj muaj nyob hauv Connecticut, New Hampshire thiab Maine.
Kev tsim cov pob zeb mica
Mica scraps thiab flakes yog tsim thoob plaws ntiaj teb. Xyoo 2010, cov neeg tsim khoom tseem ceeb yog Russia (100,000 - 68,000 - 53,000 - Finland (50,000 - Finland (20,000 - FRANT 15,000 350,000 tons). Tag nrho lub ntiaj teb ntau lawm yog XNUMX tons, txawm hais tias cov ntaub ntawv ntseeg tau tsis muaj nyob rau Suav teb.
Feem ntau ntawm daim ntawv yog tsim nyob rau hauv Is Nrias teb (3,500 tons) thiab Russia (1,500 tons). Cov flakes los ntawm ntau qhov chaw: lub pob zeb metamorphic hu ua schist, uas yog cov khoom siv los ntawm kev ua cov khoom feldspar thiab kaolin, sediments, thiab pegmatite deposits.
Qhov tseem ceeb tshaj plaws ntawm cov ntawv hlau yog pegmatite deposits. Tus nqi ib nplooj txawv nyob ntawm qib thiab muaj peev xwm nyob ntawm tsawg dua $ 1 ib kilogram rau qhov tsis zoo mus txog $ 2,000 ib kilogram rau qhov zoo tshaj plaws.
Lub ntsiab lus ntawm mica thiab kho cov khoom ntawm metaphysical zog
Cov ntu hauv qab no yog pseudo-scientific thiab raws li kev ntseeg ntawm kab lis kev cai.
Mika txo qis lub zog ntawm lub paj hlwb, ua kom lub siab xav ntau dhau, txhawb nqa kev txawj ntse thiab cov xwm txheej ntawm lub hlwb. Nws tuaj yeem siv los kho insomnia thiab txo qhov xav tau pw tsaug zog hauv mononucleosis. Nws kuj tseem siv tau los txo lub cev qhuav dej.
Qee tus neeg thov tias lub pob zeb tseem cuam tshuam nrog lub plawv chakra, thaum lwm tus ntseeg tias cov xim ntawm lub pob zeb cuam tshuam rau chakra uas nws cuam tshuam nrog.
Mika Z Strike, Myanmar
FAQ
Mica siv rau dab tsi?
Pob zeb yog cov hmoov av ntxhia tshwm sim uas feem ntau siv rau hauv cov tshuaj pleev ib ce, ua cov khoom siv hauv cov cement thiab asphalt, thiab ua cov khoom siv insulating hauv hluav taws xob cables. Muaj nyob rau hauv: tshuaj pleev ib ce, vuas, wallpaper, rwb thaiv tsev, cement thiab asphalt.
Mica ua dab tsi ntawm sab ntsuj plig?
Lub pob zeb yog ib tug ntau yam muscovite nrog ib tug zoo nkauj reflective pearlescent luster uas tuaj nyob rau hauv flakes, daim hlau thiab txheej. Txhawb kom pom tseeb ntawm kev pom thiab mysticism. Lub pob zeb txo qis lub zog ntawm lub paj hlwb, ua kom lub siab xav ntau dhau, ua rau muaj txiaj ntsig zoo rau kev xav txog kev xav thiab lub hlwb.
Puas yog mica teeb meem rau daim tawv nqaij?
Raws li ib qho ntawm cov ntxhia tseem ceeb tshaj plaws hauv cov tshuaj pleev ib ce, nws yog dav siv los ua kom ci thiab ci. Vim hais tias nws yog tsim los lawm, nws yog ib tug tshwj xeeb cov khoom xyaw ntawm cov organic thiab ntuj kev zoo nkauj hom thiab muaj kev nyab xeeb siv nyob rau hauv yuav luag txhua hom tawv nqaij nrog tsawg heev rau tsis muaj kev phiv.
Sau ntawv cia Ncua