Synthesis of beryl crystals

Details Synthesis of beryl crystals Synthesis of beryl crystals

1982-12-23

1985-08-27

Bernstein, Hiram H.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156DIG61, 156DIG73, C30B 1302

Patent

active

045376530

ABSTRACT:
A method for synthesizing beryl crystals from a raw material substantially that of natural beryl and at least one material of molybdates, vanadates and tungstates to form a flux is provided. The raw material and oxides are melted and a rotating beryl seed crystal is placed in contact with the rotating melt zone and drawn away from melt zone so that beryl crystal is synthesized as the seed crystal is withdrawn from the melt zone. The melt zone may be formed in a zone floating furnace with rotating axes or in a rotating crucible.

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patent: 3473935 (1969-10-01), Wilson et al.
patent: 3977857 (1976-08-01), Mattox
patent: 4093502 (1978-06-01), Hirabayashi et al.
patent: 4218282 (1980-08-01), Kochi
patent: 4256531 (1981-03-01), Kimura et al.
patent: 4340426 (1982-07-01), Tabei et al.
Grant; Hackh's Chemical Dictionary: McGraw-Hill 1969, 275.

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