Azurite w/ Malachite Milpillas Mine, Sonora, Mexico |
Adamite on Limonite Ojuela Mine, Mapimi, Durango, Mexico |
Opal (polished) Jalisco, Mexico |
Corundum var. Sapphire Potanino Mine, Ilmen Mountains, Russia |
Rhodochrosite Hotazel mine, Hotazel, Kalahari Manganese field, Northern Cape Province, South Africa |
Beryl var. Aquamarine (etched) Itatia Mine, Minas Gerais, Brazil |