As an example of what you could be dealing with, here are some Gold scammers that have been identified:
Theophilus Wlah Johnson (Sierra Leone)
Alvin Msoffe (Tanzania)
Taofeek Oluwashola Kazeem Ajisafe & Mark Adijum Latif under arrest in Ghana
Frank Okatta , scamming from Uganda
Anolue Kenneth, currently in Cotonou, Benin
Amoussou Fabrice (Benin)
Donoumassou Stephane (Benin)
Eric Dangbé & Léger Zinsou (Benin)
Mohammad Dubadain Dukuray (Sierra Leone)
http://www.nabagroupminers.net/ (Gold scam)
Naba Group Miners
Contact Person: Mr. Alpha Sanon
Company Name: Naba Group Miners
Street Address: 567 Avenue De la nation- 02 Bp 769
City: Ouagadougou 02
Province/State: Kadoigo
Country/Region: Burkina Faso
Telephone: 22672728510
Mobile: 0022672728510
Fax: 226-72 72 85 10
69.16.198.107
Domain Name: NABAGROUPMINERS.NET
Registrar: PDR LTD. D/B/A PUBLICDOMAINREGISTRY.COM
Sponsoring Registrar IANA ID: 303
Whois Server: whois.PublicDomainRegistry.com
Referral URL: http://www.publicdomainregistry.com
Name Server: NS3.TKCDN.COM
Name Server: NS4.TKCDN.COM
Status: clientTransferProhibited https://www.icann.org/epp#clientTransferProhibited
Updated Date: 01-feb-2016
Creation Date: 01-feb-2016
Expiration Date: 01-feb-2017
Registrant Email: custdom@tradekey.com