Bethel White Granite
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Synonyms: Bathel White, Bethal White, Hartwick, Hartwick White, Lord, Lord Granit, White Bethel
Location: Bethel White granite is quarried near Bethel, Windsor County, Green Mountains, Vermont, U.S.A.
Description: Bethel White granite is a medium-grained, white to light grey granite of the Devonian period. This stone internationally may be nominated as a granite and in the area of application of the European Standard this stone must be nominated as granite.
A small sample of Bethel White granite is usually representative not having a wide variation in colour and veining. 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, Bethel White is frost resistant with a constant polish.
Mineral Composition: Average by %:
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
Granite: Granite is a common and widely occurring type of intrusive, felsic, igneous rock. Granites are usually medium to coarse grained, occasionally with some individual crystals larger than the groundmass forming a rock known as porphyry. Granites can be pink to dark grey or even black, depending on their chemistry and mineralogy.