![African golden nugget](https://www.patrickvoillot.com/wp-content/uploads/2021/03/pepite-or-afrique104.png)
metallic
Je vous emmène à travers mes vidéos découvrir mon expérience acquise depuis plus de 30 ans a silloner le globe entier à la recherche de pierres précieuses, de rencontre mémorables mais aussi de difficulté parfois …
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![African golden nugget](https://www.patrickvoillot.com/wp-content/uploads/2021/03/pepite-or-afrique104.png)
![marcassite in quartz cut in cabochon](https://www.patrickvoillot.com/wp-content/uploads/2021/03/marcassite-quartz-cabochon128.png)
marcasite
ck_admin
March 24, 2021
Identified in 1845 by von Raidinger, it was found being different from pyrite by René-Just Haüy in the early nineteenth century. Its name comes from either the Arabic or Moorish to signify that it has a metallic color yellow. This is an iron sulphide containing
![emerald cut magnetite from Congo](https://www.patrickvoillot.com/wp-content/uploads/2021/03/magnetite-taille-rectangulaire-congo130.png)
![Ilmenite emerald cut](https://www.patrickvoillot.com/wp-content/uploads/2021/03/ilmenite-taille-emeraude151.png)
![faceted hematite](https://www.patrickvoillot.com/wp-content/uploads/2021/03/hematite-ovale162.png)
![goethite and lepidocrocite inclusions in quartz from Brazil cushion cut](https://www.patrickvoillot.com/wp-content/uploads/2021/03/lepidocrocite-quartz-taille-coussin-bresil171.png)