type of limestone, originating in Lisbon, Portugal used as an ornamental stone

Lioz (Portuguese: pedra lioz), also known as Royal Stone (pedra real), is a type of limestone, which came from Portugal .[1][2] It is used as an ornamental stone, it can be found in palaces, cathedrals, and important civic buildings throughout Portugal and the former Portuguese Empire. Lioz was designated a Global Heritage Stone Resource.

Jerónimos Monastery, in Lisbon.
Belém Tower, in Lisbon.
Basilica of the Immaculate Conception, Salvador, Brazil.


  1. Silva, Z.C.G (2017). "Lioz—a Royal Stone in Portugal and a Monumental Stone in Colonial Brazil". Geoheritage. 11: 1–11. doi:10.1007/s12371-017-0267-7. ISSN 1867-2485. S2CID 133745069.
  2. Bernard J. Smith (2010). Limestone in the Built Environment: Present-day Challenges for the Preservation of the Past. Geological Society of London. pp. 80. ISBN 9781862392946.