Blue Forest Granite
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Synonyms: Forest Blue
Location: Blue Forest granite is quarried in South Africa.
Description: Blue Forest granite is a coarse-grained, blue-grey syenite. 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 syenite.
A small sample of Blue Forest granite is not usually representative owing to a 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.
Mineral Composition: Average by %:
Syenite: A coarse-grained intrusive igneous rock of the same general composition as granite but with the quartz either absent or present in relatively small amounts (<5%). The feldspar component of syenite is predominantly alkaline in character (usually orthoclase). Plagioclase feldspars may be present in small quantities, less than 10%.