Adamite on Limonite Ojuela Mine, Mapimi, Durango, Mexico |
Tourmaline var. Uvite with Magnesite and Quartz Brumado, Bahia, Northeast Region, Brazil |
Olmiite on matrix N Chwanning II Mine, Kuruman, Republic of South Africa |
Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |
Sphalerite on Quartz Shuikoushan Lead/Zinc Mine, Chaling, Hunan Province, China |
Quartz, var. Herkimer Diamond Ace of Diamonds Mine, Herkimer County, New York |