Sri Lanka, Ceilão, Taprobana: a close to perfect (first) trip


As armas e os barões assinalados, Que da ocidental praia Lusitana, Por mares nunca de antes navegados, Passaram ainda além da Taprobana, Em perigos e guerras esforçados, Mais do que prometia a força humana, E entre gente remota edificaram Novo Reino, que tanto sublimaram; Os Lusíadas, I Canto Os Lusíadas, Luís de Camões Portuguese epic poem … Continue reading Sri Lanka, Ceilão, Taprobana: a close to perfect (first) trip

Mineral commodities 2013 total mined volumes and values, average prices


Diamonds mined in 2013 total 14 bn USD. How do they compare with other mineral commodities? Rather than using somebody else’s compilations, I prefer to check values published by (commodity) specialised international organisations or public companies (OPEC, World Gold Council, KPCS, USGS, etc.). After some work, I have arrived to the estimates presented in the table … Continue reading Mineral commodities 2013 total mined volumes and values, average prices

Really? The price of diamonds collapsing?


No doubt the commodities have seen recently a sharp decline in price (do you remember oil at 150 US/bbl and gold at 1.600 US per oz or iron, or copper?). Yes, there are problems brewing in China (perhaps brewing is an understatement in face of the stock  markets sharp decrease of the last few days) … Continue reading Really? The price of diamonds collapsing?

Diamonds and media; the newest distortion of facts


Diamonds are fascinating; unlike any other precious mineral they draw our attention. It is not first time diamond has been used to stir common people’s imagination. I remember a few relatively recent: either about diamonds raining within meteorites or about giant diamonds in the nucleus of stars were; in both cases news distorted scientific information to get the attention of masses … Continue reading Diamonds and media; the newest distortion of facts

Montepuez’ GEMFIELDS rubi mine – newest updates on the world’s single largest ruby and corundum deposit


Discovered in 2009, Montepuez (Mozambique) is the world’s single largest ruby and corundum deposit. GEMFIELDS acquired a 75% interest in the concession in June 2011 from Mwiriti Lda. Montepuez Ruby Mining Lda (“MRM”) is the project operator and a joint venture between Gemfields and Mwiriti Lda. GEMFIEDLS released two documents on Montepuez by SRK Consulting. A … Continue reading Montepuez’ GEMFIELDS rubi mine – newest updates on the world’s single largest ruby and corundum deposit