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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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red andesine from China

andesine

A feldspar from the family of plagioclases, discovered in 1841 in Marmato in Colombia, is named after its abundant presence in the Andes in South America. A blood red variety, whose color is due to copper, was discovered in 2002 Congo near the Goma region.

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emerald cut analcime

analcime

Identified in 1797 by René Just Haüy, its name comes from the Greek “analkimos” which means “weak -that has no force”. It is one example of a mineral that crystallizes in several crystal systems according to the order taken by its atoms …. it can

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rough amber from The Baltic sea in Poland

amber

It is a product of plant origin, the fossilized resin of some conifers (pine, redwood, cypress, cedar …) and some angiosperms (legumes, Umbelliferae, Liliaceae). The amber from the Dominican Republic was produced by a kind of tropical tree, now extinct, ancestor of the carob tree,

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natural agate from Idar Oberstein

agate

This is a quartz, more exactly a transluscent chalcedony (itself a variety of cryptocrystalline quartz) which shows concentric bands sometimes containing opale. Comes in many colors, banded, forming concentric bands, more or less circular up to oval. Their formation is so far discuted : or

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baguette cut adamite from Mexico

adamite

Described in 1886 by Charles Friedel who named it after the French mineralogist Gilbert Joseph Adam who found this mineral. Its color depends on the metallic ions present : cuproadamite colored by copper is green, manganoadamite colored by manganese is pink-purple such as cobaltoadamite and

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cabochon of actinolite

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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