Opal

Cantera opal Cantera opal pom nyob hauv Mexico hauv rhyolite host pob zeb. Nws yog qhov nyuaj rau tshem tawm opal los ntawm rhyolite ... Nyeem ntxiv

Pob tsuas opal Pob tsuas opal yog pob zeb uas muaj pob leeg nyias thiab thaj ua rau thaj opal ib puag ncig los yog txuas rau nws lub ntuj ... Nyeem ntxiv

Doublet opal Rau kev siv gemstone, feem ntau opal yog txiav thiab polished tsim ib cabochon. Opal tau hais txog pob zeb polished muaj ... Nyeem ntxiv

Synthetic Aurora opal Zoo Crystalline Opals nrog Cov Tsis Yog-Ua Raws Cov Qauv ntawm Ua Si-ntawm-Xim Synthetic aurora opals muaj nyob rau hauv cov xim sib txawv raws li dub ... Nyeem ntxiv

Synthetic opal Opals ntawm tag nrho cov ntau yam tau raug synthesized experimentally thiab muag. Tus foundations ntawm tus kheej kheej qauv ntawm cov opal muaj nqi ... Nyeem ntxiv

Miv lub qhov muag opal Ib tug miv qhov muag opal yog ib qho yeeb yam nrog tus miv lub qhov muag pom tshwm rau saum lub pob zeb thaum ... Nyeem ntxiv

Blue opal Xiav opal feem ntau yog xim xiav mus rau xiav-ntsuab. Cov kws muag kub feem ntau piav qhia nws raws li xim ntawm Lub Hiav Txwv Caribbean. Cov no ... Nyeem ntxiv

Opal, los ntawm Mondulkiri, Cambodia Opal yog hydrated amorphous daim ntawv ntawm silica (SiO2 · nH2O); nws cov dej ntsiab lus yuav nyob ntawm 3 txog 21% ... Nyeem ntxiv

Welo opal Peb paub qhov tseeb Australian Opals. Tab sis rau ob peb xyoos ib qho tshiab opal apeare. Lub Welo opal. Qhov no ... Nyeem ntxiv

Hluav Taws Kub opal Hluav taws opal yog pob tshab rau translucent opal, nrog lub cev sov lub xim ntawm daj mus rau txiv kab ntxwv rau liab. Txawm hais tias nws ... Nyeem ntxiv