Polishing (burnishing)
Making a stone smooth or shiny by rubbing it with harder, abrasive materials. According to the type of stone it is possible to achieve a more elaborate degree of polishing, giving it a greater shine. Not all stones allow the same polishing.

Pumicing
Leaving a stone material fine without polishing by rubbing with pumice stone. Basically sedimentary rocks (Montjuïc, Floresta) are pumiced.

Refining
Fine finish obtained today by cutting with the following tools: a disc or wire saw.

Rasping or scraping
Working or rubbing a surface with the scraper or rasp to give it a finished texture. It is only done with soft stones.

Claw chiselling
Working a surface with the claw chisel, such as the edges or corners of a stone element.

Hammering
Chipping a stone surface with a stone mason's hammer to obtain a slightly dotted engraving.

Punching
Punching a stone surface with a chisel to obtain an engraving with a high relief.

Stippling
Giving a rough texture in high relief by chipping the good side of an ashlar with a scutch chisel.

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STONES USED BY GAUDÍ
STONES USED UNTIL TODAY
CLASSIFICATION
PROPERTIES OF THE STONE
MONTJUÏC STONE
TEXTURES OF THE STONE