Process for the production of jewelling and ornamental material

Details Process for the production of jewelling and ornamental material Process for the production of jewelling and ornamental material

1986-03-26

1987-10-27

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Synthetic precious stones

501 12, 501102, 501133, 63 32, C30B 2800

Patent

active

047030208

ABSTRACT:
A jewelling and ornamental material comprising many amorphous silica spheres regularly arranged in a three-dimensional array and a zirconium compound filled in pores existing among the amorphous silica spheres, the amount of the zirconium compound being 0.005 to 8% by weight, as zirconium, based on the entire material; and a process for its production. This material has a play of colors inherent to natural opal, and excellent durability.

REFERENCES:
patent: 3497367 (1970-02-01), Gaskin et al.
patent: 4090887 (1978-05-01), Marquisee et al.
patent: 4581292 (1986-04-01), Shinpo et al.

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