Clair Du Tarn Granite, sourced from the Bousquet quarry, also known as Tarn Fin Grain Granite, stands out as a remarkable variety within the Tarn granite category. This granite exhibits a white to white-grey medium fine grain, creating a distinctive and elegant appearance. The uniform speckled pattern enhances its aesthetic appeal, providing a refined and timeless quality.

Occasionally, the granite showcases black mineral concentrations, contributing to the geological intrigue of its formation. This subtle variation adds depth and interest to the overall appearance, creating a harmonious blend of light and dark elements.

Described as a white to white-grey medium fine-grained granite with a uniform speckled appearance, Clair Du Tarn Granite is not only visually appealing but also consistent in its texture. The occasional presence of black mineral concentrations is a natural aspect of its geological composition, further enhancing its uniqueness.

According to Petrographic Classification, Clair Du Tarn Granite is classified as a magmatic rock, specifically an intrusive rock known as Granite (following EN 12670 standards). Quarried in Bousquet, Sidobre, Castres, Tarn, this granite not only reflects aesthetic beauty but also represents the quality associated with the quarrying practices in this region.

Mineralogical composition

Quartz:38,2%
Plagioclase:38,5%
Orthoclase (alkali feldspar):12,9%
Biotite mica:10,2%
Muscovite mica:0,2%

Technical specifications

Petrographic classification Mean value +/- standard deviation

Apparent Density EN 1936 2670 ± 10 kg/m3

Porosity EN 1936 0,2 ± 0,1 vol%

Flexural Strength EN 12372 17,9 ±1,4 MPa (E- = 15 MPa)

Compressive Strength EN 1926 225 ±15 MPa (E- = 195 MPa)

Wear Resistance EN 14157 18,5 mm (E+ = 20 mm)

Frost Resistance EN 12371 Frost resistant (>168 cycles)