Corals yog yam muaj sia thiab feem ntau yog khawb hauv Hiav Txwv Mediterranean, tawm ntug hiav txwv sab qaum teb hauv teb chaws Africa. Cov xim yog xim liab, daj ntseg liab, xiav, dawb thiab dub. Gloss - matte, silky. Hauv tebchaws Greek puag thaum ub, cov paj zeb tau ntseeg hais tias muab lawv cov tswv ntev. Niaj hnub no nws yog ib qho ntawm cov pob zeb nrov tshaj plaws ntawm pob zeb diamond.
Cov Lus Qhia
Kauj ruam 1
Tus nqi siab thiab nrov ntawm corals tau ua rau muaj neeg coob ntawm cov fakes. P. Gilson hauv Fab Kis los tsim ib txoj hauv kev ua kom muaj cov co ntxhiab los ntawm calcite thiab dyes. Lawv yog cov ntau pheej yig dua thiab yog qhov qog zoo ntawm cov coral ntuj.
Kauj ruam 2
Saib kom zoo rau ntawm cov pob zeb - cov qog ua raws li cov txheej txheem Gilson tsis muaj lub qauv mesh. Cov lus co ntuj xav zoo li amber, thaum quartzite yog pob zeb txias. Ua tib zoo mloog rau kev txiav rau qhov xov nyob qhov twg. Coral ci sib npaug; hauv kev sib piv, quartzite muaj lub pob zeb greyish zoo nkauj.
Kauj ruam 3
Yog tias koj tso cov kua roj hydrochloric acid rau ntawm tus qauv, nias quartzite coral yuav hiss.
Kauj ruam 4
Pheej yig fakes ua los ntawm cov yas yog ib qho yooj yim kom paub qhov muag pom thiab los ntawm kov. Kov lub coral nrog cov koob txhaj tshuaj - cov xim dub yuav tsim rau ntawm cov yas thiab koj yuav hnov ntxhiab yas hlawv, uas yuav tsis tshwm sim nrog ntuj pob zeb.
Kauj ruam 5
Qee zaum cov xim dawb yog xim pob nrog xim liab thiab liab xim. Poob rau hauv cov hniav nyiaj hniav kub hauv dej kub, cov xim da dej uas yuav ua kom tawg yuav ua rau xim dej. Lawv tseem yuav tso cov cim ntawm lub cev, tshwj xeeb tshaj yog thaum hnub kub. Nyob rau hauv cov cuav fakes, xim feem ntau ploj tag nrho thaum lub sijhawm sib xws li niaj zaus ntawm qhov khoom nrog "corals" hauv dej.
Kauj Ruam 6
Nco tseg: Lub ntuj coral cov nplhaib thiab cov nplhaib sib cais yog ib txwm txiav hauv lub cabochon hemisphere thiab txhim kho cov xim los ntawm polishing thiab waxing.
Kauj Ruam 7
Yog tias ua raws li qhov ua tau zoo, nws tsis yog qhov tsis xeb thiab cov hniav nyiaj hniav kub nrog nias coral zoo nkaus li muaj nqis heev. Yog li ntawd, yog tias lawv tsis sim dag koj los ntawm muag cov hniav nyiaj hniav kub uas ua los ntawm cov pob zeb cuav, ces cov hlaws dai, cov nplhaib thiab qhwv ntsej hauv lub thav duab zoo nkauj nrog cov pob zeb nias tau zoo nkauj heev thiab pheej yig. Hauv qhov no, koj muaj lub sijhawm zoo los yuav ib lub tsho zoo nkauj ntawm cov hniav nyiaj hniav kub rau nyiaj tsawg.