Quartz Var. Rose Lavra da Ilha Pegmatite, Taquaral, Itinga, Aracuai, Minas Gerais, Brazil |
Olmiite on matrix N Chwanning II Mine, Kuruman, Republic of South Africa |
Garnet var. Hessonite Jeffrey Mine, Asbestos, Quebec, Canada |
Corundum var. Sapphire Potanino Mine, Ilmen Mountains, Russia |
Opal: Rough and Cut Shoa Province, Ethiopia |
Beryl var. Aquamarine (etched) Itatia Mine, Minas Gerais, Brazil |