Quartz, var. Herkimer Diamond Ace of Diamonds Mine, Herkimer County, New York |
Olmiite on matrix N Chwanning II Mine, Kuruman, Republic of South Africa |
Quartz var. Faden Dara Ismael Khan District, Waziristan, Pakistan |
Lapis Lazuli (polished and carved) Sar-e-Sang, Badakhshan Province, Afghanistan |
Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |
Adamite on Limonite Ojuela Mine, Mapimi, Durango, Mexico |