Explanatory notes
… 85.22 ). (b) Stones worked so as to be recognisable as parts of meters, of measuring instruments, of clocks or … or of other goods of Chapter 90 or 91 ; also optical elements of quartz ( heading 90.01 or 90.02 ). The stones … agate mortars and pestles, agate crosses and rings, garnet goblets and cups, statuettes and ornamental goods of jade, …
