Speranza is a quartzite mined in Piauí, recognized for its deep green color and sinuous veins in varying shades of green. Its blocks preserve the rock's raw mass, with precise cuts that ensure grandeur, integrity, and maximum use of natural patterns.

Quartzite's resistance to temperature variations and sunlight makes it suitable for outdoor use. The intense green hues lend expressiveness, while the chromatic homogeneity conveys sophistication and balance.

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