Penedono – Viseu
Portugal
The place and the gold-bearing granite-hosted quartz veins
Diamantina – Minas Gerais
Brazil
Birthplace of the modern diamond industry, home away from home
Mayoko
Congo-Brazzaville
Alluvial columbo-tantalite (pegmatite derived) and gold deposits
Luembe river – Luxilo
Lunda Norte – Angola
Alluvial diamond mining since the fifties
Luando river – the falls and upstream, Bié – Angola
Diamond exploration in the center of Angola
Chicapa river – Lunda Norte & Lunda Sul – Angola
Kimberlite river
Andaraí & Lençóis – Bahia
Brazil
2004 road trip to Bahia
Goiás & Minas Gerais
Brazil
A mineral treasure trove – 2015
S. João d’el Rey & Diamantina, Minas Gerais – Brazil
History, churches, diamonds and gold in Minas Gerais (2004)
Negombo, Galle, Ratnapura, Colombo and elsewhere
Sri Lanka
History, words, elephants, sapphires, Buda and St. Anthony (2015)
Guanambi and Salvador,
Bahia
Brazil
Cacti in granite land and the History capital(2003)
Lunda Sul, Lunda Norte, Luanda & elsewhere
Angola
Of lions and nymphs (May 2016)
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