Quartzites
Ijen Blue
1.5 billion years ago, in the west-central region of Bahia, geological events created a flooded depression forming a shallow sea, rich in iron. With time, metamorphism moved the earth’s crust and recrystallized the quartz grains, creating quartzite. The different colors, like bluish gray and orange-yellow, are results of iron minerals presence, such as hematite and goethite. These natural characteristics give Ijen Blue a surprising contrast and a unique beauty.
Finishes

Polished

Brushed

Honed
Applications

Quartzites
Quartzito Quartzo (90%), Hematita (5%), Muscovita (3%), Goetita (1%), Cianita (1%), Rutilo, Zircão e Turmalina (traço)
2652
0.36
0.13
34.43
33.74
82.42

Petrographic Analysis
It consists of classifying the rock through the macroscopic and microscopic description of its characteristics, such as minerological composition, alteration, deformation and microcracking pattern.

Apparently density
Relationship between the mass and apparent volume of the rock. It provides the weight of the rock, being an important parameter for calculating loads in buildings.

Apparent porosity
It is the relationship between the volume of voids and the total volume of the rock expressed as a percentage.

Water absorption
It is the ability to assimilate or incorporate water into the rock, expressed as a percentage.

Abrasion resistance
Determines the wear rate due to friction of particles with the surface of a rock plate.

Bending resistance
Simulates flexural efforts in rock pacas, with predetermined thickness, in this case simulating the effect of wind on plates fixed to facades with metal anchors.

Compressive strength
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Stain resistance
Stress that causes rock to rupture when subjected to compressive stress.
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