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Country:
France


Date: C16 / glass C20


Symmetry symbol:
4mm?

Symmetry symbol Schoenflies: C4v

Symmetry absolute number: 5



Symmetry comment: Exterior makes more apparent the left-right (vertical) effect although the 4-lobes are arranged quasi 4mm

La Maillerie-s-Seine, St Mathurin

Photograph by:Painton Cowen