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Synonyms: Bianco Samoa, Samoa, Samoa Light
Location: Samoa granite is quarried near Barra de Sao Francisco, Espirito Santo, Brazil.
Description: Samoa granite is a medium to coarse-grained, light yellow-grey granulite with biotite and sillimanite. This stone internationally may be nominated as a granite but in the area of application of the European Standard this stone must be nominated as a granulite.
The veining and colour varies and a small sample of Samoa granite may not be representative of the whole slab therefore swatch samples must be approved for large projects to ensure that the blocks are all extracted from the same quarry face for matching purposes. Ideal for both interior and exterior use, Samoa granite is frost free and polish constant.
Technical and Physical Characteristics:
Compression tensile strength: 2051 kg/cm2
Tensile strength after freeze-thaw cycles: 1761 kg/cm2
Unitary modulus of bending tensile strength: 116 kg/cm2
Heat expansion coefficient: 0.0062 mm/m°C
Water imbibition coefficient: 0.003500
Mass by unit of volume: 2603 kg/m3
Granulite: Granulites are metamorphic rocks that have experienced high temperatures of metamorphism. They typically have a granular (granoblastic) texture that is, a texture comprised of similarly sized and shaped grains and hence the name granulite.