Zirconium is an element that is commonly used as an opacifier and refractory, though it is used in other applications as well. It was first discovered in the late 18th century, but was not isolated until the 19th century or made available in a pure from until the early 20th century. Zirconium is not found… Nyeem ntxiv »
Cia li nyeem lo lus zirconium tej zaum theem siab "cubic zirconia," Lub ntiajteb nyiam ua tej pob zeb zeb diamond txawm simulant. Zirconium thiab cubic zirconia yog ntau yam, Tab sis tus neeg nruab nrab yog tej zaum yuav xav tias tsuav yog hais txog vim lawv suab zoo sib xws, Sab xis? Cubic zirconia yog ib tug manmade tshaj plaws, Thiab koj nyob nraum yuav nrhiav jewelry, such… Nyeem ntxiv »
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