Azul Macaubas originally was a quartz-rich sandstone that has converted heat and pressure over the years to form a new rock; a quartzite with completely different properties. Extraction sites are located west of Macaubas in the state of Bahia, the deposit extends over a length of 30 km, although not all areas can be mined. In addition to the main component of quartz, there is the presence of dumortierite, a rare blue-colored mineral with a purple variant that has the characteristic to appear as a set of needles or fibrous masses; This mineral is made up of aluminum borosilicate and iron; in a petrographic sense is a quartzite dumortierite. Generally, natural stone contains average values of 80% quartz, 15% dumortiered and up to 5% muscovite. Azul Macaubas is a very famous natural quartzite and is appreciated all over the world thanks to its special characteristics and shades. Its color is uneven, but homogeneously shaded in the various shades of blue and blue, from the most delicate tones to the most fascinating and deep, making it one of the most exclusive materials in the world. Due to the great variety of dumortizes present in Azul Macaubas, occasionally some gold or beige or purplish tendrils can be found, which are a further structural feature added. This marble is characterized by a great durability and durability, making it ideal for use internally, but it can also be used in outdoor environments. Possible realizations are: floors, stairs, tables, sinks, kitchen tops, shower trays, decorations and general finishes.
|Compression breaking load:||1900 kg/cm2|
|Compression breaking load after freezing:||1720 kg/cm2|
|Ultimate tensile strength:||202 kg/cm2|
|Thermal linear expansion coefficient:||0,0016mm/m°C|
|Impact test: min. fall height:||80 cm|
|Frictional wear test:||0,47 mm|
|Bulk density:||2661 kg/m3|