Great mosque, Van

• The symmetry group of the tiling is *632 (p6m).
• All the internal angles of the constituent polygons are a multiple of 30°.
• Contains one equilateral triangle.
• Contains one regular hexagon.
• Contains one regular 12-pointed star polygon with vertex angle of 60°.
• There are two non-regular reflective tiles.
• The tiling satisfies the interlace condition and has one finite interlace and no infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 313 polygons.

1. Drawing 717 (Great Mosque, Van, Turkey) of Mustafa Bulut. Selçuklu Çizgileri Anadolu Selçuklu Geometrik Kompozisyonları, INKILAB YAYIN Ä°STANBUL, 2020. ISBN 978605955529. [bulut] {}
2. Figure 363b, page 429 (Great Mosque, Van, Turkey) of Jay Bonner. Islamic Geometric Patterns, Springer, 2016. ISBN 978144190216. [bonner] {Largest Islamic tile collection in print}
3. Photo from Archnet (Great Mosque, Van, Turkey) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]

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