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Lila Gerais Granite From Brazil WhatsApp Logo

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Description: Lila Gerais granite is a fine to medium-grained, pink-violet to red gneiss (orthogneiss) of the Precambrian period. 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. The veining and colour varies and a small sample of Lila Gerais 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. 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. Lila Gerais 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: Lila Gerais 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 Lila Gerais granite 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.

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: Lila Gerais granite is quarried at quarry RN 000210, Fazenda Cachoeirinha, Pedra do Indaia, Minas Gerais, Brazil.

Synonyms: Lila Gereis, Lilac Gerais, Lilas Gerais, Lilla Gerais, Lillas Gerais

Gneiss: A high grade metamorphic rock. This means that gneiss has been subjected to more heat and pressure than schist. Gneiss is coarser than schist and has distinct banding. This banding has alternating layers that are composed of different minerals. The minerals that compose gneiss are the same as granite. Feldspar is the most important mineral that makes up gneiss along with mica and quartz. Gneiss can be formed from a sedimentary rock such as sandstone or shale, or it can be formed from the metamorphism of the igneouse rock grantite. Gneiss can be used by man as paving and building stone.

Mineral Composition: Average by % Microperthitic Orthoclase: 32%, Plagioclase: 32%, Quartz: 25%, Biotite: 10%

Technical Specifications

Compression Tensile Strength: 2165 kg/cm2

Tensile Strength After Freeze-Thaw Cycles: 1550 kg/cm2

Unitary Modulus Of Bending Tensile Strength: 146 kg/cm2

Heat Expansion Coefficient: 0.0071 mm/m°C

Water Imbibition Coefficient: 0.001200

Impact Strength: cm

Frictional Wear: mm

Mass By Unit Of Volume: 2598 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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