Opal has many names, mainly "white gem" жіне "fancy stone". In the south of my country, ол шақырылады "Таулы бұлт", which comes from Australia's famous producing area "Lightning Ridge". Opal is listed as the birthstone of October by the international jewelry industry, үміт пен бақытты бейнелейді. Opal is the most colorful of gemstones. [...]
