The day is closing, rush hour in Angola (Malange – Quirima road)

Sri Lanka, Bentota: monsoon rain coming from the sea

Zimbabwean diamonds in Brazil

Zimbabwean diamonds were in the news recently, with reports of their alluvial deposits – the base of their boom production in the last years – being close to exhaustion. These ones were photographed in Diamantina, Minas Gerais (Brazil), far from home. They are not the prettiest thing, certainly not like the famed Angolan alluvial diamonds …

Formação em Produção Industrial – Rochas Ornamentais e Industriais

Gemologia – curso de introdução na Unversidade Aberta