Emerald Value, Price, And Jewelry Information
Everything you ever wanted to know about emerald. Find value guidelines, scientific data, expert comments, and more in our Gemstone Encyclopedia.
Emerald is a precious gemstone and a variety of the mineral beryl (Be 3 Al 2 (SiO 3) 6) colored green by trace amounts of chromium and sometimes vanadium. Beryl has a hardness of 7.58 on the Mohs scale.
History. Ndola was founded in 1904, by John Edward "Chiripula" Stephenson just six months after Livingstone, making it the second oldest colonial-era town of Zambia.
Изумруд ВикипедияTranslate this page
Название. Слово «изумруд» (изначально изумрутъ) происходит от семитского корня b-r-q «сиять» (ср. ...
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