Granite Specifications for Architectural Granite Brochure

Granite Specifications for Architectural Granite Brochure

Granite Specifications for Architectural Granite Brochure

Granite is a common type of felsic intrusive igneous rock that is granular and phaneritic in texture. Granites can be predominantly white, pink, or gray in color, depending on their mineralogy. The word “granite” comes from the Latin granum, a grain, in reference to the coarse-grained structure of such a holocrystalline rock. Strictly speaking, granite is an igneous rock with between 20% and 60% quartz by volume, and at least 35% of the total feldspar consisting of alkali feldspar, although commonly the term “granite” is used to refer to a wider range of coarse grained igneous rocks containing quartz and feldspar.

The term “granitic” means granite-like and is applied to granite and a group of intrusive igneous rocks with similar textures and slight variations in composition and origin. These rocks mainly consist of feldspar, quartz, mica, and amphibole minerals, which form an interlocking, somewhat equigranular matrix of feldspar and quartz with scattered darker biotite mica and amphibole (often hornblende) peppering the lighter color minerals. Occasionally some individual crystals (phenocrysts) are larger than the groundmass, in which case the texture is known as porphyritic. A granitic rock with a porphyritic texture is known as a granite porphyry. Granitoid is a general, descriptive field term for lighter-colored, coarse-grained igneous rocks. Petrographicexamination is required for identification of specific types of granitoids. The extrusive igneous rock equivalent of granite is rhyolite.

Granite Specifications for Architectural Granite Brochure

Architectural Granite

Granite is one of the oldest, most durable and highly respected of building materials. Traditionally, it is the material chosen by architects, designers, owners and engineers when permanence, enduring color and texture, and complete freedom from deterioration and maintenance are prime requirements

Granite is ageless — always contemporary. Today’s leading architects, designers and owners understand its unique qualities and are using it more extensively than ever before. Many of our most impressive buildings residential, commercial, as well as institutional and monumental include granite as an integral part of both the design and the functionality. And it remains unequaled as a material for steps, terraces, and the paving of plazas and public spaces.

Granite Specifications for Architectural Granite Brochure

Granite offers many attractive, environmentally friendly attributes in addition to its timeless aesthetic qualities including: durability, low maintenance, recyclability, an enduring life-cycle, and low VOC’s. Granite is nature’s original sustainable building material. To further position granite as a preferred sustainable building material The National Building Granite Quarries Association, in conjunction with the Natural Stone Council, is working to educate the green building marketplace about the benefits of granite as a sustainable product. These initiatives include research and outreach activities, and the work to date can be found on www.GenuineStone.org, and click on Stone & the Environment.

The granite industry is keeping pace with architectural progress and changing demands. Technological developments have revolutionized quarrying and fabrication methods, reducing costs and leading to new applications. Attractive new finishes, new construction techniques and new jointing methods have created an abundance of options for building design and construction.

Granite Specifications for Architectural Granite Brochure

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Granite Specifications for Architectural Granite Brochure

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