Crystallized-glass-made artificial nucleus for pearl, production

Details Crystallized-glass-made artificial nucleus for pearl, production Crystallized-glass-made artificial nucleus for pearl, production

1995-01-05

1996-01-02

Group, Karl

Compositions: ceramic

Ceramic compositions

Devitrified glass-ceramics

501 86, 65 333, 119244, C03C 1016

Patent

active

054808448

ABSTRACT:
An artificial nucleus made of a crystallized glass is provided for use in the production of a pearl. The crystallized glass has been produced using a batch having the following composition:

REFERENCES:
patent: 3839055 (1974-10-01), Grossman
patent: 4652312 (1987-03-01), Grossman et al.

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