Named for its sapphire-like colour, sapphirine is primarily of interest to researchers and collectors: well-formed crystals are treasured and occasionally cut into gemstones.
The emphasis on well-formed documents has developed within the publishing industry where the use of left and right angle bracket delimited information has become problematic.
The low degree of polymerization and high temperature favors chemical diffusion, so it is common to see large, well-formed phenocrysts within mafic lavas.