Blue Black Granite From Brazil | Color Sample & Information | Eurasian
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Brazil : Blue Black Granite

Please note that these are average samples only. Your monitor settings may affect appearance.

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Blue Black Granite Image

Blue Black Granite

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Synonyms:

Location: Blue Black granite is quarried in Brazil.

Description: Blue Black granite is a coarse-grained, very dark green charnockite with blue quartz. This stone internationally may be nominated as a granite however in the area of application of the European Standard this stone must be nominated as a charnockite.

The veining and colour varies considerably and a small sample of Blue Black 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, Blue Black granite is frost free and polish constant.

Mineral Composition:

Charnockite: A hypersthene granite typical of Precambrian assemblages that contain migmatites. Charnockite is composed of orthoclase, oligoclase, quartz, and hypersthene; it also often includes the garnets almandine and pyrope, as well as biotite, magnetite, and other minerals. Two types of charnockites are distinguished: ferrohypersthene charnockite and garnet charnockite.

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