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 a reverberation time (the time taken from when a noise is made until all of its echoes have died away) of 28 seconds. This provided an atmosphere where the words of those employed to continually recite the Qu'ran (the Hafiz), in tribute and prayer for the soul of Mumtaz, would linger in the air. Wayne E. Begley put forward an interpretation in 1979 that exploits the Islamic idea that the 'Garden of paradise' is also the location of the Throne of God on the Day of Judgement. In his reading the Taj Mahal is seen as a monument where Shah