Taj Mahal polished to emphasise the exquisite detailing of the carvings. The dado frames and archway spandrels have been decorated with pietra dura inlays of highly stylised, almost geometric vines, flowers and fruits. The inlay stones are of yellow marble, jasper and jade, polished and levelled to the surface of the walls. The interior chamber of the Taj Mahal reaches far beyond traditional decorative elements. The inlay work is not pietra dura, but a lapidary of precious and semiprecious gemstones. The inner chamber is an octagon with the design allowing for entry from each face, although only the door facing the garden
Origins and architecture of the Taj Mahal not know precisely who designed the Taj Mahal. In the Islamic world at the time, the credit for a building's design was usually given to its patron rather than its architects. From the evidence of contemporary sources, it is clear that a team of architects were responsible for the design and supervision of the works, but they are mentioned infrequently. Shah Jahan's court histories emphasise his personal involvement in the construction and it is true that, more than any other Mughal emperor, he showed the greatest interest in building, holding daily meetings with his architects and supervisors. The court chronicler