Mosaic wall tiles, 13th century Seljuk, Turkey

• 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 12-pointed star polygon with vertex angle of 90°.
• There are three non-regular reflective tiles and four tiles with no mirror image.
• The tiling does not satisfy the two-colour condition.
• The tiling is not edge-to-edge.
• As drawn, contains about 418 polygons.

• Page 52 (The Great Mosque of Herat) from [broug]
• Page 30 from [cahier]
• Page 62, top left (The Alhambra, vestibule behind the East door of the south wall of the Mexuar patio) from [field4]
• Figure 10 (Kharraqan tomb towers (1067-1068), Iran) from [lee]
• Vol 2, page 193 (Marrakesh, The Sttiniya) from [paccard]
• Page 102 (Turkish enamel work, 12th century, colour in original) from [singer]
• Page 85 from [wade]

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• Wade photo EGY 1111
• Wade photo IND 0417
• Wade photo SPA 1914

• Tiling with star polygons with 12 points whose vertex angle is 90°
• Tilings with coloured interlacing

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