Raws li nws muaj pes tsawg leeg, tshwm sim thiab lwm yam ntxwv, cov tawv nqaij sab nrauv ntawm Puyu tuaj yeem muab faib ua peb pawg: cov tawv nqaij xim, cov tawv nqaij qab zib thiab cov tawv nqaij pob zeb.
Cov tawv nqaij xim: Ib txheej ntawm cov tawv nqaij jade faib rau saum npoo ntawm Hetian Ziyu muaj ntau xim. Lub ntiaj teb jade muaj npe tom qab ntau yam xim, xws li tawv dub, tawv mos lwj, thiab lwm yam. Los ntawm cov xim ntawm cov tawv nqaij, peb tuaj yeem pom qhov zoo ntawm cov jade, xws li tawv dub, tawv mos lwj, thiab lwm yam, uas feem ntau yog siab. - zoo dawb jade. Lub sub jade ntawm tib yam zoo, xws li cov tawv nqaij xim ntawm lub caij nplooj zeeg pear, muaj ntau dua tus nqi. Lub thickness ntawm jade daim tawv nqaij yog heev nyias, feem ntau tsawg tshaj li 1 hli. Cov tawv nqaij xim muaj ntau yam duab, qee qhov yog huab zoo li, qee qhov zoo li cov leeg, thiab qee qhov tawg. Kev tsim cov xim ntawm daim tawv nqaij yog tshwm sim los ntawm kev hloov pauv ntawm ferrous oxide hauv Hotan Jade rau hauv ferric oxide nyob rau hauv oxidation, yog li nws yog theem nrab. Cov kws paub txog jade yuav tsum mus rau hauv nruab nrab thiab qis qis kom pom cov xim jade; Txawm li cas los xij, muaj ob peb lub sijhawm los nrhiav cov xim tawv jade saum toj. Tsis tas li ntawd, cov ntaub ntawv toj roob hauv pes tuaj yeem pom muaj qee zaus nyob ze ntawm cov pob txha ntawm thawj lub cev jade ore, uas yog vim muaj oxidation theem nrab.
Qab zib daim tawv nqaij: hais txog ib txheej ntawm cov xim daj xim av thiab cov kua txiv hmab txiv ntoo ntawm cov tawv nqaij uas muab faib rau saum toj ntawm Hotan Jade Mountain. Vim tias cov xim zoo li cov suab thaj xim av, cov jade nrog qab zib ntawm daim tawv nqaij hu ua qab zib jade. Lub thickness ntawm qab zib crust ntawm qab zib jade kuj loj, xws li los ntawm ob peb centimeters mus rau 20-30 centimeters. Nws feem ntau nyob ib puag ncig dawb jade lossis sapphire, qhia txog kev hloov pauv kev sib raug zoo. Qab Zib jade yog tsim nyob ze ntawm qhov tawg ntawm lub cev ore. Qab Zib jade yog cov khoom ntawm oxidation ib puag ncig. Tom qab tsim ntawm Hotan jade, cov dej magmatic residual permeates raws cov kab nrib pleb ntawm Hotan jade ore lub cev, hloov ferrous oxide rau hauv ferric oxide. Qab zib ntawm daim tawv nqaij yog tshwm sim ntawm hlau oxide staining.
Pob zeb tawv nqaij: hais txog cov pob zeb nyob ib puag ncig ntawm Hotan Yushan cov ntaub ntawv. Ib hom pob zeb phab ntsa yog tremolite dolomite marble, uas yog mined ua ke nrog jade thiab txuas rau saum npoo ntawm jade thaum nws rov mined. Lub pob zeb jade coated no muaj ib thaj tsam meej nrog jade thiab tuaj yeem sib cais. Thaum nws ntxuav thiab thauj los ntawm cov dej ntws los yog dej khov rau lub sijhawm ntev, pob zeb thiab jade tau sib cais. Lwm hom pob zeb phab ntsa yog tremolite. Piv txwv li, nyob rau hauv tus txheej txheem ntawm re tsim ntawm Hotan Jade, coarse siv lead ua tremolite tau hloov. Vim yog kev hloov tsis tiav, ntxhib siv lead ua tremolite feem ntau txuas rau saum npoo ntawm jade, uas yog kev hloov pauv ntawm cov tawv nqaij pob zeb thiab cov jade. Nws yog hu ua yin thiab yang nto. Lub yin nto yog hais txog lub pob zeb zoo li zoo li jade.
Kev yuav khoom ntawm Hetian dawb jade tuaj yeem txiav txim siab los ntawm cov kev xav hauv qab no: ua ntej, xyuas seb cov qib whiteness puas txaus, thiab tom qab ntawd xyuas seb cov kua dej ntawm cov jade puas txaus, uas yog, seb cov jade zoo puas zoo, thiab qhov kev faib ua feem ntawm waterline tsuas yog ib lossis ob. Tsis muaj teeb meem. Qhov kev faib ua feem ntawm jade paj, tus naj npawb ntawm impurities, thiab seb puas muaj kab nrib pleb ntawm jade nto. Yog tias koj nyiam cov xim ntawm cov jade, thaum kawg xyuas seb lub jade puas zoo nkauj, lub caij nplooj zeeg pear daim tawv nqaij, daim tawv nqaij jujube, mos mos tawv nqaij Sajinpi ~ ~ Cov no yog tag nrho cov muaj nuj nqis ntau yam ntawm Hotan Jade, tab sis koj yuav tsum tiv thaiv tawv tawv. Ua raws li cov hauv paus ntsiab lus no, kuv ntseeg tias koj yuav xaiv lub jade zoo.
