oq-gem

Glossary for gem taxonomy

Fired perforated clay bricks with one or more holes (cavities) through the thickness of the brick with the area of cavities in excess of 25% of the volume. The holes can be seen from above after the brick has been laid.

Fired Clay Hollow Bricks 1.JPG

Fired clay hollow bricks, Iran (A. Charleson)

Fired Clay Hollow Bricks 2.JPG

Fired clay hollow bricks with vertical perforations, Peru (S. Brzev)

We use cookies

We use cookies on our website. Some of them are essential for the operation of the site, while others help us to improve this site and the user experience (tracking cookies). You can decide for yourself whether you want to allow cookies or not. Please note that if you reject them, you may not be able to use all the functionalities of the site.