colourless

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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chambersite fancy cut

chambersite

ck_admin March 24, 2021

New mineral discovered in 1957 in Texas, in Chambers County (Barber’s Hill salt dome), hence its name. The crystals were found in the brine returns from a gas drilling because it is a borate insoluble in water. Thereafter deposits were discovered in Louisiana, Canada, and

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blue celestite of Madagascar emerald cut

celestine

ck_admin March 24, 2021

Its name comes from the Latin “caelestis”, which refers to its heavenly blue sky, it was assigned by Werner in 1798.

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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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fancy cut boracite

boracite

ck_admin March 24, 2021

It takes its name from its boron content, it was discovered in Germany in Lower Saxony in 1789.

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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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pear cut benitoite from United States

benitoite

ck_admin March 24, 2021

It was discovered in the early twentieth century by the San Benito river in San Benito County, California. Its color is very close to that of sapphire but its strong dichroism can easily distinguish it from sapphire, and even other blue stones.

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