Defects Found In Stone

There are several types of defects found in natural stones. These defects can sometimes effect the stone aesthetically, strength, and porosity. Below is a table of the most common defects found in natural stone.

Defect

Description

Effect

Solutions

Oil Stains

Greasy shapes or lines

Impaired appearance of most granites

Clean with approved solvents

Rust Spots

Rust colored spots and lines

Impaired appearance of most stones

N/A

Magrosita

Parts of stone that cannot be polished

Impaired appearance of granites and marbles

Coat with resin and polish stone

Peli furbi

Fractures that open during installation

Impaired appearance and strength of most stones

N/A

Tarolo

Small pits in stone

Impaired appearance of marble

Fill with resin and polish

Strappi

Small light-colored fractures

Impaired appearance and strength of marble and granite

Coat with resin and polish stone.

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