metamorphic
Quartzite (Engineered Stone)
Silicon Dioxide (SiO2) based synthetic composite
Hardness: 7 (Mohs scale), Color: Creamy white with fine speckling, Luster: Dull to matte (based on finish), Crystal structure: Cryptocrystalline particles in resin binder, Specific gravity: 2.65
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Physical properties
Hardness: 7 (Mohs scale), Color: Creamy white with fine speckling, Luster: Dull to matte (based on finish), Crystal structure: Cryptocrystalline particles in resin binder, Specific gravity: 2.65
Formation & geological history
Formed through industrial manufacturing by combining approximately 90-95% crushed natural quartz with 5-10% polyester resin binders and pigments. Mimics the metamorphic process of natural quartzite.
Uses & applications
Predominantly used for kitchen countertops, bathroom vanities, flooring, and wall cladding due to its non-porous and durable nature.
Geological facts
While natural quartzite is a metamorphic rock formed from sandstone, engineered quartz is a man-made product. It is often preferred in modern construction because it does not require sealing and is highly resistant to stains and scratches.
Field identification & locations
Identify by looking for uniform patterns and a lack of natural 'veining' typical of marble. In the field, it sounds high-pitched when tapped. Commonly found in residential and commercial interior design showrooms.
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