Alexandrite Synthétique AAA Pierre Non Montée Ronde Facettée 3x3mm 1pc

Alexandrite


1 pièce : environ 0,14 carat
Taille : environ 3x3x1,8 mm
Non percé (pierre libre)
Couleur : Bleu vert

Il s'agit d'une alexandrite synthétique à facettes rondes. Elle est produite en utilisant la "méthode Czochralski" (méthode de tirage de cristaux), qui applique la technologie des semi-conducteurs pour faire croître des monocristaux ultra-purs. Sa caractéristique la plus significative est son changement de couleur spectaculaire. Sous la lumière naturelle, elle affiche un bleu-vert profond, et sous la lumière incandescente, elle se transforme de manière saisissante en un pourpre rougeâtre (la 3ème image est prise sous lumière incandescente, et la 4ème image sous lumière noire (longueur d'onde de pointe 395nm)). En tant que pierre libre pour la joaillerie, sa transparence et sa couleur sont impeccables. Comme il s'agit d'un type non percé, il est idéal pour les sertissages et autres traitements. Une autre taille a été expertisée, et le résultat est "Alexandrite Synthétique".

[*La grille utilisée dans l'image est de 1cm x 1cm.]

Item name:Alexandrite Synthétique AAA Pierre Non Montée Ronde Facettée 3x3mm 1pc
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Prix réduit US$11.79

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