What is the werribee park mansion made out of?

Werribee Park Mansion, located in Victoria, Australia, is primarily constructed from bluestone, a type of volcanic rock, and red brick. The mansion features a Victorian Italianate architectural style and is adorned with intricate plasterwork and decorative elements. The materials used reflect both the local resources available and the grandeur of the era in which it was built, showcasing the craftsmanship of the 19th century.