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How a cupellation gold or fire assay works ?

Par |2015-12-04T23:00:00+01:00décembre 4th, 2015|News|

The method is more accurate, with an accuracy of 2 to 3 parts per ten thousand (0.02%), is a method sometimes called cupellation to test feu.La Cupellation involves taking a small sample of object, usually a hole made in a crude bullion. Lire la suite […]

The origin of gold

Par |2021-04-30T11:47:12+02:00décembre 4th, 2015|News|

Titillated by my many miners friends, I have to try to clarify their ideas about the origin of gold. One of the first qualities of gold miners, is toughness. Lire la suite […]

The premium on gold coins explained

Par |2018-08-26T15:28:50+02:00décembre 3rd, 2015|News|

Have you ever noticed that two gold coins containing the same amount of gold could be sold at a different price ? This is explained by the premium, an important criteria when looking to invest in gold by buying coins. Explanation in this article. Lire la suite […]

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