Cursos de metales preciosos Orobel
cours des métaux precieux Los precios de los metales preciosos (oro, plata, platino, paladio) en tiempo real por Orobel Lire la suite […]
Recognize the real of the fake : tutorial with Orobel
Orobel offers a comprehensive guide an tutorial into several pages specifically designed for you to recognize the gold jewelry, the karat and if it is pressed or not. Lire la suite […]
Gold spot price trend after FED’s interest rates hike
Quotation, latest news and infos about gold : it had not happened for 10 years ! Fed interest rate rises. The trend in the gold spot price remains downward. Lire la suite […]
Focus on the 20 Dollars American Gold Coin
The twenty dollars gold is undoubtedly one of the most famous American gold coins. Double Eagle called our American colleagues, we present here the two main: Liberty & the Saint Gaudens. Lire la suite […]
Le Gold Souk, la rue des achats d’or à Dubai
Le marché de l’or à Dubai, aussi connu sous le nom de Gold SOuk ou Souk de l’or est l’un des principaux quartier où on peut acheter de l’or à Dubai. Les achat d’or se mèlent souvent aux bijoutier, omniprésent dans le quartier. Lire la suite Lire la suite [...]
Scammers and frauds in gold and precious metals in Africa
African gold dust scams and precious metals tricked hundreds of people worldwide. Lire la suite […]
Orobel provide a perfect service in precious metals
We have solutions for all purchases, buyouts and precious metals recycling. Lire la suite […]
The history of the Central Bank Gold Agreement
Stocks and gold reserves of central banks, around 30 900 tonnes (1/5 of the world’s gold reserves) give their significant power on the gold market. As a result, several agreements on gold were established to limit their weight in the market. The first agreement on central bank gold is the Washington Agreement on gold, (26 Lire la suite [...]
Density weighing, a simple way to know the gold content of a precious metal
It is sometimes called hydrostatic weighing and principle we have just Archimedes, thanks to him, we know that any body immersed in water displaces its volume in water. Lire la suite […]
How to make a mini-refining and a form of gold assays ?
The refined gold as all precious metals is carried out using « aqua regia », an acid which is a mixture of nitric and hydrochloric acid. Lire la suite […]
