Minerals
Rubellite on Muscovite
Jonas Mine, Conselheiro Pena, Minas Gerais, Brazil. 7 cm.
USK Minerals specimen
Gold with Nepheline
Tiglit, Morocco. 4.2 cm.
USK Minerals specimen
Gold with Nepheline
Tiglit, Morocco. 5 x 3.4 cm.
USK Minerals specimen
Phosphophyllite
Unificada Mine, Potosi, Bolivia. 4.7 cm.
USK Minerals specimen
Gold on Nepheline
Tiglit, Morocco. 1.9 x 1.5 cm.
USK Minerals specimen
Gold
Niger Hill, Touloume Co., California.
2.4 cm.
USK Minerals specimen
