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 …


sliced polished nephrite from China


This is a thick microcrystalline rock the of amphibole family, we can consider nephrite as a microcrystalline variety of ferrous actinolite-tremolite series. The majority of nephrites are composed mainly of actinolite. The white variety, known as” mutton fat “, is composed almost exclusively of tremolite,

green tremolite of Tanzania oval cut


She was named in 1789 by the mineralogist J.G.A. Höpfner in relation to its supposed place of discovery: the Val Tremola in the St. Gotthard massif in Switzerland, but the sample was from another valley … Campolungo. Chemically very close to actinolite (tremolite does not

oval cut pargasite from Mogok in Burma


It is named after the town of Pargas in Finland,, where it was discovered in 1814. A green variety comes from Vietnam and Pakistan. The variety where iron replaces magnesium is called ferropargasite.

imperial jade from Burma cut in cabochon


In the nineteenth century, it was shown that the so-called “jade” actually consisted of two distinct minerals: The “Jadeite”, of the pyroxene family, is the hardest and most rare, it has a crystalline sound, its color varies from white to dark green, even lavender. The

hornblende crystals from Norway


Very common mineral, its name comes from the German “horn” horn “blenden” dazzle. There are many varieties depending on the content of iron, magnesium, calcium etc …

cabochon of actinolite


Actinolite belongs to the amphibole group, discovered in 1794 by the mineralogist Kirwan. The name actinolite is derived from the Greek “aktis”, meaning “beam” or “ray” and “lithos”, meaning “stone”; referring to the mineral’s radiating fibrous nature. The name “actinolite” was given by René Just

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