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Amadeus Granite From Finland WhatsApp Logo

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Description: Amadeus granite is a commercial name for a fine and medium-grained, foliated and variegated garnet-cordierite gneiss whose dominant colours are black and grey containing beautiful dark red and green shades as well. 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 gneiss. During the polishing process a clear epoxy resin filler may be used to fill any micro fissures or tiny pitting however this does not affect the integrity of the stone, it merely provides an even smoother surface finish. Amadeus Granite is suitable for both interior and exterior use futhermore is frost resistant and with a constant polish.

Products: Suitable for construction projects both commercial and domestic, prefabricated countertops/worktops, vanities, tiles, backsplashes, paving, fireplaces and memorials.

Surface Finish: Amadeus Granite looks best with a gloss polished surface but is also available as honed, leather/satin, river-washed/antique, thermal/flamed, brushed and sandblast finish.

Sealing: Test with a small sample. It is possible that a sealant can be used on Amadeus however excessive attempts at sealing it could actually create a residue film build-up.

Block Sizes: This is a quarry yielding selectable, grades of granite with blocks suitable for gangsaw size down to economical tile-sized blocks. For commercial projects it is important to ensure that blocks are selected from the same quarry face. The annual average production is approx. 1100 m3.

Rough blocks are usually exported by Break Bulk however intermodal containerisation is available at extra cost. Finished products are packed into sea-worthy wooden crates and loaded into containers.

Quarry Location: Amadeus granite is quarried at Sulkava, which is located on the island of Iisalo on the Saimaa Lake, Finland (near the border to Russia). Quarry operations began there in March 1993.

Synonyms: Amedeus.

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.

Gneiss: A high grade metamorphic rock. Gneiss is medium to coarse-grained and may contain abundant quartz and feldspar, which some petrographers regard as essential components. The banding is usually due to the presence of differing proportions of minerals in the various bands; dark and light bands may alternate because of the separation of mafic (dark) and felsic (light) minerals. Banding can also be caused by differing grain sizes of the same minerals. The mineralogy of a particular gneiss is a result of the complex interaction of original rock composition, pressure and temperature of metamorphism, and the addition or loss of components.

Mineral Composition: Average Orthoclase: 27%, Quartz: 23%, Cordierite: 18%, Plagioclase 17%, Others: 15%

Technical Specifications

Tensile Strength After Freeze-Thaw Cycles: kg/cm2

Unitary Modulus Of Bending Tensile Strength: kg/cm2

Water Imbibition Coefficient:

Mass By Unit Of Volume: kg/m3

Hardness (Moh's Scale):

Note: These figures and details are given for guidance purposes only, no reliance should be taken as to their accuracy.


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