phosphates

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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monazite pear cut

monazite

Its name comes from the Greek, meaning “alone”, because its crystals are found isolated on the rock or some other mineral, and plus it is a rare mineral. This mineral contains thorium and is naturally radioactive.

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green ludlamite crystal from Salsigne in France

ludlamite

identified by the English Henry Ludlam ( 1824 – 1880 )

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lithiophilite cut in cabochon

lithiophilite

Its name comes from its composition of lithium and the Greek “philos” friend.

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green lazulite from Pakistan emerald cut

lazulite

Not to be confused with lazurite, the main constituent of lapis lazuli. Lazulite is also called Klaprothite, in honor of the German mineralogist Klaproth (1743-1817) who discovered titanium and uranium, and described this stone. The name fell into disuse but it would avoid confusion between

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herderite crystal from Minas Gerais in Brazil

hydroxylherderite

Its name honors Siegmund August Wolfgang von Herder (1776-1838) who identified it. It is found associated with herderite, besides many specimens called herderite are actually of hydroxylherderite.

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hydroxyapatite crystals of Norway

hydroxyapatite

As for the apatite, its name derives from the Greek to indicate that the apatite has often been confused with other gems, plus the mention of “hydroxy”added . This is a major constituent of bones and teeth.There is a very dark green variety rich in

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