Qhov cuam tshuam ntawm Pob Zeb Diamond Pom Hniav (1)
Ua ntej, granularity
Feem ntau pob zeb diamond granularity yog nyob rau hauv thaj tsam ntawm 30/35 txog 60/80. Lub pob zeb nyuaj, qhov zoo dua qhov granularity. Vim hais tias nyob rau hauv tib lub siab, pob zeb diamonds ua thinner thiab sharper, uas yog conducive rau txiav mus rau hauv cov pob zeb nyuaj. Tsis tas li ntawd, qhov dav dav dav dav saw hniav yuav tsum muaj kev ua haujlwm siab sawing, nws yog ib qho tsim nyog xaiv qhov tuab tuab, xws li 30/40, 40/50;
Qhov thib ob, lub taub hau concentration
Lub npe hu ua pob zeb diamond concentration yog hais txog qhov ntom ntawm pob zeb diamond faib rau hauv cov txheej txheem ua haujlwm ntawm lub cev xeeb tub (piv txwv li qhov hnyav ntawm pob zeb diamond muaj nyob rau hauv chav tsev). Lub "Code" hais tias thaum 4.4 carats ntawm pob zeb diamond muaj nyob rau hauv txhua lub cubic centimeter ntawm lub cev xeeb tub ua hauj lwm, lub concentration yog 100 feem pua thiab cov 3.3 carats ntawm pob zeb diamond yog 75 feem pua. Volume concentration sawv cev rau tus nqi ntawm pob zeb diamond nyob rau hauv lub block thiab qhia tias lub concentration ntawm pob zeb diamond thaum nws yog 1/4 ntawm tag nrho cov ntim yog 100 feem pua. Kev nce lub pob zeb diamond concentration yog xav kom ntev lub neej ntawm cov hniav, raws li kev nce lub concentration txo qhov nruab nrab txiav quab yuam ib pob zeb diamond. Txawm li cas los xij, nce qhov concentration yuav inevitably nce tus nqi ntawm cov saw hniav, yog li muaj kev lag luam zoo tshaj plaws, thiab cov concentration nce nrog tus nqi sawing.
Thib peb, hardness ntawm lub taub hau
Feem ntau, qhov nyuaj ntawm kev khi tus neeg sawv cev, lub zog nws hnav tsis kam. Yog li ntawd, thaum sawing thiab sib tsoo ntawm cov pob zeb loj, qhov sib tsoo tus neeg sawv cev hardness yuav tsum siab, thaum sawing mos pob zeb, binding tus neeg sawv cev hardness yuav tsum tsawg, thaum sawing sib tsoo loj thiab tawv pob zeb, binding tus neeg sawv cev hardness yuav tsum yog nruab nrab.