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Product infos:

Olive Green

Product No.HB8633     Promulgator:   Send date: 2014-06-18 10:21  Visitor:
Introduce:
Synonyms: Olive-Green, Olive Gruen, Oliver Green, Vert Olive
 
Location: Olive Green granite is quarried near Springbok, Northern Cape, Namibia.
 
Description:Olive Green granite is a grey-greenish gneiss/charnockite. 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 gneiss/charnockite.
 
The veining and colour varies and a small sample of Olive Green 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, Olive Green granite is frost free and polish constant.
 
There are two types of Olive Green granite, cross-cut and vein cut.
 
Mineral Composition: Essentials: Quartz, Feldspar, Biotite, Pyroxene.
 
Gneiss: A common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks. Gneissic rocks are usually medium to coarse-foliated and largely recrystallized but do not carry large quantities of micas, chlorite or other platy minerals. Gneisses that are metamorphosed igneous rocks or their equivalent are termed granite gneisses, diorite gneisses, etc.
 
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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