Opal (polished) Jalisco, Mexico |
Serandite with Aegirine Mont St. Hilaire, Quebec, Canada |
Dioptase Altyn-Tyube, Karagandy Oblast, Kazakhstan |
Olmiite on Calcite N Chwanning II Mine, Kuruman, Republic of South Africa |
Adamite on Limonite Ojuela Mine, Mapimi, Durango, Mexico |
Sphalerite on Quartz Shuikoushan Lead/Zinc Mine, Chaling, Hunan Province, China |