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A filled hexagon marking a sixfold axis.
Also known as: Hexad axis symbol, Six-fold axis mark, Hexagon symmetry symbol
The graphical symbol for a sixfold rotation axis on a crystallographic space group diagram, drawn as a solid hexagon.
Marks a sixfold rotation axis, an axis about which the structure repeats after a sixth of a turn.
Contexts: Laboratory
Is the highest order a crystal lattice permits, so no five-pointed or seven-pointed symbol exists in this family at all.
Contexts: Laboratory
A small solid six-sided figure, its six points marking the highest axis order a crystal lattice permits.