Opal var. Hyalite San Luis Potosi, Mexico |
Quartz "Faden" Dara Ismael Khan District, Waziristan, Pakistan |
Diopside Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania |
Dioptase Altyn-Tyube, Karagandy Oblast, Kazakhstan |
Olmiite on Calcite N Chwanning II Mine, Kuruman, Republic of South Africa |
Sphalerite on Quartz Shuikoushan Lead/Zinc Mine, Chaling, Hunan Province, China |