Kub feem ntau pom hauv quartz pob zeb. Thaum quartz pom nyob rau hauv kub bearings, nws muaj peev xwm hais tias kub yuav pom thiab. Quartz tuaj yeem pom zoo li pob zeb me me hauv cov txaj dej lossis hauv cov seams loj hauv toj roob.
Qhov kub yuav nrhiav tau nyob qhov twg?
Kub feem ntau pom raws li cov hlau ntshiab, ib txwm muaj. Sylvanite thiab calaverite yog cov ntxhia pob zeb kub. Kub feem ntau pom nyob rau hauv cov hlab ntsha quartz, los yog placer kwj gravel. Nws yog mined hauv South Africa, Tebchaws Asmeskas (Nevada, Alaska), Russia, Australia thiab Canada.
Koj puas pom kub hauv av?
Cov av uas muaj hlau kuj tseem dub, yog tias nws tsis tau oxidized. Qhov twg hlau lossis lwm yam hlau hnyav nyob, kuj tuaj yeem pom kub. Av thiab pob zeb qee zaum bleached rau xim sib dua li lwm cov pob zeb nyob ze vim yog cov kua qaub los ntawm lode deposits hauv av. Qee zaum, kub nyob ze ntawm lub pob zeb thiab av.
kub tiag tiag zoo li cas hauv pob zeb?
Tab sis kub tiag tiag nyob twj ywm txawm tias tawm ntawm tshav ntuj ncaj qha, thiab txawm tias muag muag, tsis poob sib nrug thaum koj kov nws zoo li tus neeg ruam tus kub tau. Raw kub nyob rau hauv pob zeb tshwm as threads ntawm daj-kub xim winding nws txoj kev los ntawm quartz.
Dab tsi yog kub kub?
Ntshiab kub yog me ntsis liab doog daj nyob rau hauv cov xim, tab sis cov xim kub hauv ntau yam xim tuaj yeem tsim tau. Cov xim kub tuaj yeem muab faib ua peb pawg: Alloys nrognyiaj thiab tooj liab nyob rau hauv ntau yam proportions, ua dawb, daj, ntsuab thiab liab kub. Cov no feem ntau yog malleable alloys.
