Golden obsidian

golden obsidian

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Golden obsidian

Golden obsidian, tseem hu ua golden sheen obsidian lossis sheen obsidian yog lub pob zeb muaj cov qauv ntawm cov pa roj npuas, tshuav ntawm lava ntws, ua raws li txheej txheej tsim ua lub pob zeb molten tau ntws ua ntej txias. Cov npuas no tsim cov kev cuam tshuam zoo li zoo li lub sheen golden.

Obsidian

Obsidian yog ib qho tshwm sim ua tshwm sim ntawm volcanic iav ua lub pob zeb uas muaj hluav taws kub heev.
Nws yog tsim thaum felsic lava extruded los ntawm lub roob hluav taws txias sai sai nrog kev siv hluav taws xob tsawg kawg. Nws feem ntau pom nyob rau hauv cov npoo ntawm rhyolitic lava ntws hu ua obsidian ntws, qhov twg muaj tshuaj lom neeg, cov ntsiab lus siab silica ua rau muaj viscosity siab uas, thaum nrawm nrawm, tsim lub ntuj iav los ntawm lava. Qhov kev txwv ntawm atomic diffusion los ntawm cov lava uas muaj dej khov no piav qhia qhov tsis muaj kev loj hlob siv lead ua. Obsidian yog qhov nyuaj, nkig, thiab amorphous, yog li ntawd nws tau tawg nrog cov npoo ntse heev. Sij hawm dhau los nws tau siv los tsim kev txiav thiab tho cov cuab yeej thiab nws tau siv sim ua kev phais mob taub hau hniav.

Ib qho ntxhia-zoo li

Tsis yog cov ntxhia muaj tseeb vim hais tias raws li lub iav nws tsis yog crystalline, ntxiv, nws muaj pes tsawg leeg dhau lawm yuav tsum tau muab cais ua cov ntxhia. Qee zaum nws tau cais raws li mineraloid. Txawm hais tias obsidian feem ntau yog xim tsaus nyob rau hauv cov xim, zoo ib yam li mafic pob zeb xws li basalt, obsidian's muaj pes tsawg leeg yog felsic. Obsidian muaj feem ntau yog SiO2, silicon dioxide, feem ntau yog 70% lossis ntau dua. Crystalline pob zeb nrog obsidian cov lus muaj xws li granite thiab rhyolite. Vim hais tias obsidian yog metastable ntawm lub Ntiaj Teb saum npoo, thaum lub sij hawm lub iav ua zoo-nplua nuj pob zeb hauv av muaju, tsis muaj obsidian tau pom tias laus dua hnub nyoog Cretaceous. Lub caij nyoog tawg ntawm obsidian yog nrawm los ntawm qhov muaj dej. Muaj cov dej ntsiab lus tsawg tsawg thaum nyuam qhuav tsim, feem ntau tsawg dua 1% dej los ntawm qhov hnyav, obsidian dhau los ua dej tsis xwm yeem thaum raug cov dej hauv av, ua rau perlite.

Golden obsidian kheej

yuav natural gemstones hauv peb lub khw

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kev ua yuam kev: Cov ntsiab lus yog kev tiv thaiv !!