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White Miracema Gneiss

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About

Material Type: Gneiss

Origin:

Brazil (Miracema, Rio de Janeiro state's northwestern region, bordering Minas Gerais)

Priamry Color(s): White

Recommended Usage:Building stone, sinks, monuments, pool coping, sills, ornamental stone, interior, exterior, wall, floor , paving

Additional Names:Branco Pedra Miracema,Branco Miracema Gnaisse

Finished Surface:Honed, Aged, Polished, Sawn Cut, Sanded, Rockfaced, Sandblasted, Bushhammered, Tumbled

Testing

Water Absorption:0.31 %

Density:2726 kg/m³

Flexural Strength:6.07-12.25 MPa

Compressive Strength:143.1-146.6 MPa

Description

Technical Analisis
Petrographic Description NBR 12768/92--Blastomilonitic monzogranitic biotite-hornblend gnaisse
Dry Density (kg/m3) NBR 12766/92--2,726
Saturated Density (kg/m3) NBR 12766/92--2,734
Porosity (%) NBR 12766/92 0,84
Water Absorption (%) NBR 12766/92--0,31
Flexural Strength (parallel to the rock orientation) (Mpa)NBR 12763/92--6,07
Flexural Strength (perpendicular to the rock orientation) (Mpa)-- NBR 1763/92 --12,25
Coefficient of linear thermal expansion (10 3 mm/m?C) NBR 1765/92 -- 6,4
Uniaxial compressive strength (icing / deicing) (MPa) NBR 12769/92-- 143,1
Resistance to uniaxial compression (natural) (MPa) NBR 12767/92-- 146,6
Resistance to abrasion (mm per 500m) NBR 12042/90--1,26
Resistance to abrasion (mm per 1000) NBR 12042/90-- 2,34

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