Adamite on Limonite Ojuela Mine, Mapimi, Durango, Mexico |
Opal var. Hyalite San Luis Potosi, Mexico |
Serandite with Aegirine Mont St. Hilaire, Quebec, Canada |
Beryl var. Aquamarine (etched) Itatia Mine, Minas Gerais, Brazil |
Opal (rough and cut) Shoa Province, Ethiopia |
Danburite rough and cut San Luis Potosi, Mexico |