Angolan diamonds: into the XXI century


If you’re interested in (exploring for and mining) diamonds in Angola (or elsewhere), I and José Abranches will be talking on the subject in an Ore Deposits Hub webinar.We’ll make a (perhaps not that) short presentation, introducing the Angolan deposits and their classical genetical models and the global and local factors impacting the development of … Continue reading Angolan diamonds: into the XXI century

gold, gold, gold, crypto coins, blockchain and diamonds


What happened, what may happen For those interested in the yellow metal, the World Gold Council recently released two documents on the 2017 gold market events and on the outlook for 2018. We all now how forecasts work (I have just read and quote “if you have to forecast, forecast a lot“). Even so, the … Continue reading gold, gold, gold, crypto coins, blockchain and diamonds

100 anos – DIAMANG, 2017


A DIAMANG faz 100 anos daqui poucos meses.

 
É oportunidade para celebrarmos ao longo de 2017 e 2018, a DIAMANG e os diamantes, Portugal e os Portugueses, Angola e os Angolanos.
 
Já existem algumas ideias; são precisas mais. O que podemos fazer, e onde?

CIBJO Diamond Commission Special Report (synthetics and inclusion mapping technologies)


CIBJO released a Diamond Commission Special Report (SEPTEMBER 7, 2016). The report (cibjo-special-report-2016-diamond-commission) discusses two important developments: Synthetic diamonds. The report reiterates standards introduced by CIBJO to clearly distinguish between natural and man-made gems. These essentially were adopted (in general) by the International Standards Organisation in 2015, when it released ISO International Standard 18323 (specifies a set of … Continue reading CIBJO Diamond Commission Special Report (synthetics and inclusion mapping technologies)

Curso: Introdução à Gemologia


A Maria José Trindade, que organiza e lecciona o curso, é uma gemóloga com uma rara base científica, garantia da qualidade dos cursos que lecciona. Para se inscrever no curso de Introdução à Gemologia do próximo dia 9 de Julho (em Lisboa) basta aceder ao site da WeValue: Formação Avançada. Maria José Trindade graduated in Geology … Continue reading Curso: Introdução à Gemologia