The Agate gemstone commonly found in Brazil provided the inspiration for these handmade tiles, designed by Fernando and Humberto Campana for Italian brand Bisazza.
The São Paulo-based design duo created a simple motif for the Brazilian Agata tile design, designed to resemble the distinct layers that make up these colourful geode stones.

Their aim was to capture both "the richness of Brazil and the immense fortune of petrified crystals".
"When Bisazza invited us to do this project, I decided to bring something from my country," said Humberto Campana, speaking to Dezeen at a launch event during Milan design week.
"There is a shop nearby my studio of Brazilian stones," he continued. "I go very often to observe, whenever I'm feeling stressed. I'm fascinated with the colours."
Agate stones are typically found within volcanic rocks. Their colourful bands are made up of alternating layers of crystalline quartz and chalcedony, which is a form of silica.
Brazilian agate typically features brown shades, along with white and grey tones.

The stones are often dyed before being used as ornaments ? and the Campanas' tiles reflect this. Created by blending high-strength cement with coloured oxides, they come in hues of green, yellow, red and blue.
The tiles are square, measuring 20 centimetres wide. This means they can be orientated differently to create more random patterns.

The Campana brothers ranked at number 45 on the desi...