Salihiya mosque, Damascus

• The symmetry group of the tiling is 4*2 (p4g).
• All the internal angles of the constituent polygons are a multiple of 45°.
• Contains two regular two-pointed star polygons with vertex angle of 45°.
• Contains two regular four-pointed star polygons with vertex angle of 45°.
• There are two non-regular reflective tiles.
• The tiling satisfies the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 173 polygons.

1. Fig 22 (Salihiya mosque, Damascus, Syria. Minbar) of Ernst Herzfeld. Ars Islamica, Vol. 13, University of Michigan, 1948. [herzfeld3] {} Available on Internet.(1216AD, 612AH)

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