Sphalerite on Quartz Shuikoushan Lead/Zinc Mine, Chaling, Hunan Province, China |
Dioptase Altyn-Tyube, Karagandy Oblast, Kazakhstan |
Opal (polished) Jalisco, Mexico |
Tourmaline Var. Elbaite Kunar Province, Afganistan |
Adamite on Limonite Ojuela Mine, Mapimi, Durango, Mexico |
Olmiite on matrix N Chwanning II Mine, Kuruman, Republic of South Africa |