Green Galaxy Granite
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Location: Green Galaxy granite is quarried at quarry RN 000089, Serra da Tucunduba, Agua Branca, Marco, Ceara, Brazil.
Description: Green Galaxy granite is a dark olive-green mylonite, a former granite, with thin white lines. 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 mylonite.
The veining and colour varies considerably and a small sample of Green Galaxy 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, Green Galaxy granite is frost free and polish constant.
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.
Mylonite: Mylonites are the products of extreme cataclastic deformation. They are extremely fine-grained, but mineral fragments of the parent rock can be seen under the microscope. Most mylonites are laminated, the layers formed by different grain sizes of deformed material. It is classified as a metamorphic rock. Mylonites generally develop in ductile shear zones where high rates of strain are focused. They are the deep crustal counterparts to cataclastic brittle faults that create fault breccias.