Video: Chert puas tuaj yeem translucent?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Tsis zoo li quartz, chert yeej tsis pob tshab thiab notalways translucent . Cov xim ntawm chert muaj ntau yam ntawm dawb los ntawm liab thiab xim av mus rau dub, nyob ntawm seb muaj pes tsawg av nplaum ororganic teeb meem nws muaj. Nws feem ntau muaj qee qhov cim qhia ntawm nws cov keeb kwm, xws li txaj pw thiab lwm yam sedimentarystructures lossis microfossils.
Tsuas yog li ntawd, chert zoo li cas?
ːrt/) yog Ib qho nyuaj, nplua-grained sedimentary pob zeb muaj li ntawm cov muaju ntawm quartz (silica) uas yog me me (microcrystalline orcryptocrystalline). Chert yog Feem ntau ntawm cov keeb kwm lom (organic) tab sis kuj tuaj yeem tshwm sim tsis muaj sia raws li chemicalprecipitate los yog kev hloov pauv hloov pauv (piv txwv li, petrifiedwood).
Tsis tas li ntawd, qhov luster ntawm chert yog dab tsi? Nws muaj ib tug iav, los yog vitreous, luster , nws yog tus naj npawb xya ntawm Moh qhov ntsuas ntawm hardness, thiab nws tawg raws qhov sib npaug, lub plhaub zoo li lub dav hlau, cov cuab yeej hu ua conchoidalfracture.
Tsis tas li ntawd, dab tsi ib puag ncig yog chert tsim nyob rau hauv?
Chert yog ib pob zeb sedimentary uas muaj yuav luag tag nrho ntawm silica (SiO 2), thiab tuaj yeem daim ntawv hauv ntau txoj kev. Biochemical chert yog tsim Thaum cov pob txha siliceous ntawm marine plankton yog yaj thaum lub sij hawm diagenesis, nrog silica yog precipitated los ntawm cov resultingsolution.
Puas yog chert yog agate?
Jasper thiab Agate Qhov thib ob qhov chaw uas ua rau kom nce chert isin maj mam cuam tshuam cov leeg thiab cov qhov qhib uas sau nrog chalcedony kuj zoo. Cov khoom no feem ntau yog dawb mus rau liab thiab feem ntau muaj ib tug banded tsos. Pob zeb opaque hu ua jasper thiab pob zeb pob zeb hu ua agate . Ob qho tib si kuj yuav begemstones.
Pom zoo:
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Tab sis nws muaj tseeb! Qab zib thiab noj qab nyob zoo, cedar txiv ntoo tuaj yeem pab poob phaus nrog rau kev muab ntau yam txiaj ntsig kev noj qab haus huv rau koj lub cev. Cedar ceev tau yog ib qho khoom noj khoom haus nrov txij li lub sijhawm Paleolithic. Crunchy thiab qab, cedar ceev yog cov noob me me ntawm cedar cone
Koj puas tuaj yeem autoclave phenol liab?
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Koj puas tuaj yeem cog ntoo xibtes hauv Charlotte NC?
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Cov nroj tsuag hybrid puas tuaj yeem tsim tau?
Hybrid nroj tsuag yog tsim los ntawm hla tej yam niam txiv nroj tsuag. Hybrids yog cov nroj tsuag zoo kawg nkaus tab sis cov noob feem ntau tsis muaj menyuam lossis tsis tsim dua tshiab rau cov niam txiv cog. Yog li ntawd, tsis txhob txuag cov noob los ntawm hybrids. Lwm qhov teeb meem tseem ceeb yog qee cov nroj tsuag paj tau qhib pollinated los ntawm kab, cua lossis tib neeg
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