How much of the taj mahal is marble?

The Taj Mahal is primarily constructed from white marble, which constitutes about 30% of the total material used in its construction. This marble, sourced from Makrana in Rajasthan, is known for its high quality and beautiful appearance. The intricate inlay work and decorative elements are also done using various semi-precious stones set into the marble. Overall, the use of marble is a defining feature of the Taj Mahal's stunning architecture.