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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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yellow bytownite from Mexico, oval cut

bytownite

ck_admin March 24, 2021

It is the town of Bytown near Ottawa that gave it its name. It is part of the plagioclase family,close to the anorthite pole.

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beryllonite fancy cut

beryllonite

ck_admin March 24, 2021

So called because of the presence of beryllium, it was named by James Dana in 1888.

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heliodore crystal of Madagascar

beryl

ck_admin March 24, 2021

In the family of beryls, the emerald is deep green (see emerald), the blue is aquamarine (see aquamarine). But there are other varieties with names related to their specific colors. The heliodor: its name comes from two Greek words, resulting in “gift of the sun”,

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azurite from Morocco oval cut

azurite

ck_admin March 24, 2021

Discovered in 1824 by Beudant Chessy-les-Mines in France, azurite takes its name from its azure blue. It has been known since antiquity, it is a copper carbonate, which effervesces with acids. It is often associated with malachite, green, in copper deposits, as azurite turns into

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cushion cut green apatite

apatite

ck_admin March 24, 2021

This is the most common phosphate found in nature, its name comes from the Greek “apatein” to deceive, referring to the long confusions made by Werner between this stone and emerald. This is the main constituent of bones and teeth in its hydroxylapatite form. It

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demantoide variety of andradite garnet from Russia, oval cut

andradite

ck_admin March 24, 2021

Andradite: this variety of garnet has been described and identified by Dana, its name is a tribute to a Brazilian mineralogist Jose Bonifacio de Andrada e Silva (1763-1838). Mélanite : black titanoan variety, its name comes from the Greek “black”. Topazolite : yellow variety of

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