Articles of headings 4202 and 4203 which have parts of precious metal or metal clad with precious metal, of natural or cultured pearls, of precious or semi-precious stones (natural, synthetic or reconstructed) remain classified in those headings, even if such parts constitute more than minor fittings or minor ornamentation, provided that these parts do not give the articles their essential character.
contenir plus de 3 % mais pas plus de 8 % de cendres, posséder un indice de blancheur (facteur de réflectance) inférieur à 60 % et un indice de résistance à l'éclatement n'excédant pas 2,5 kPa m2/g;