Minaret, Irbil

• The symmetry group of the tiling is *632 (p6m).
• All the internal angles of the constituent polygons are a multiple of 60°.
• Contains one regular two-pointed star polygon with vertex angle of 60°.
• Contains one regular hexagon.
• Contains one regular 6-pointed star polygon with vertex angle of 60°.
• The tiling does not satisfy the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 239 polygons.

1. Vol2, page 316, Figure 297 (Irbil, Iraq. Minaret) of Friedrich Sarre and Ernst Herzfeld. Archäologische reise im Euphrat..., Berlin, 1911-20. ISBN . [sarre] {}(1190-1232AD, 585-629AH)
2. page 32 (al-'Amri, Qus, Egypt. Roundel) of Bernard O'Kane. The Mosques of Egypt, AUC, Cairo, 2016. ISBN 978977416732. [okane2] {}(1300-50AD, 699-750AH)

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