
次のタイプで宝石を見る:
器具類
記者発表の検索結果
エチオピア、シェワ地方産オパール (英語)
Opal occurs as nodules in volcanic rocks at a new gem opal locality in the Menz Gishe district of Shewa Province, Ethiopia.
クイーンズランド州のボルダーオパール (英語)
After almost 75 years of inactivity, the deposits of boulder opal in Queensland, Australia, began to attract new interest in the 1960s and 1970s.
Opals from Opal Butte, Oregon
Recent mining at Opal Butte in northeastern Oregon has produced a wide variety of large flawless opals.






.jpg)


