FIELD: chemistry.
SUBSTANCE: invention relates to making artificial stones and minerals. The crude mixture for making artificial topaz contains amber packing glass, crystal glass, lead oxide and borax, with components in the following ratio in wt %: amber packing glass 55-60; crystal glass 15-25; lead oxide 10-15; borax 10-15.
EFFECT: obtaining articles which imitate topaz.
1 tbl
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