They have some stocks about silver mining.
First Majestic Silver - (AG)
Hecla Mining - (HL)
Wheaton Precious Metals - (WPM)
Coeur Mining - (CDE)
Fresnillo plc - (FRES)
Pan American Silver - (PAAS)
Barrick Gold - (GOLD)
DRDGOLD - (DRD)
And etc.