Opal: Rough and Cut Shoa Province, Ethiopia |
Serandite with Aegirine Mont St. Hilaire, Quebec, Canada |
Olmiite on matrix N Chwanning II Mine, Kuruman, Republic of South Africa |
Opal var. Hyalite San Luis Potosi, Mexico |
Corundum var. Sapphire Potanino Mine, Ilmen Mountains, Russia |
Quartz "Faden" Dara Ismael Khan District, Waziristan, Pakistan |