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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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epidote
Its name comes from the Greek “epidosis” for generous, that lives largely, referring to its crystalline form, which is a juxtaposition of numerous slender prisms. Its former name, pistachite, was referring to its color. There are several varieties: The variety clinozoisite, is a dimorph of
enstatite
Being difficult to melt, it was awarded the name of Greek word meaning “resistant” without really understanding why. The more it contains iron, more the color becomes dark and black. The more its iron content increases, more its density increases. The enstatite forms an isomorphous
ekanite
Identified Only in 1955 by Ekanayake, this is one of the few carved stones that is naturally radioactive. This feature makes it sought as a rare stone by collectors, transparent stones are even rarer. In addition, the radioactivity alters its crystalline structure over time.
dumortierite
Its name honors Eugene Dumortier, a paleontologist from Lyon (France )(1802-1873). It occurs most commonly as quartz inclusions, it is then called “blue aventurine”.