These ideograms are structurally identical to the signs above. But
owing to the fact that the open ends have been elongated they look
different. has been used in alchemy to represent
calcinated copper, i.e. copper oxide in powder form, produced by
heating copper intensely.
See , calcinate, and the synonymous signs , and .
Turned as it becomes another of all the alchemists' signs for sulphur. Sulphur, however, was usually drawn .