Corundum var. Sapphire

Potanino Mine, Ilmen Mountains, Russia

Garnet var. Hessonite

Jeffrey Mine, Asbestos, Quebec, Canada

Olmiite

N Chwanning II Mine, Kuruman, Republic of South Africa

Opal (polished)

Jalisco, Mexico

Corundum Var. Sapphire

Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka

Corundum Var. Sapphire

Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka