Datolite crystal
Description of Hresa stone : This material has a white or ivory background with grey stripes in it. General Usage for Hresa stone : It is mainly used for outdoor surfaces, as streets, bridges, building fronts, house facades, monuments, and indoor as for flooring, cladding, kitchen counters, fireplaces. Available in both slabs and tiles. Quarrying Area for Hresa stone : Hresa hill, South Sarajevo, Bosnia and Herzegovina Hardness : 3 to 4 on Moh's Scale Density : 2789-2803 kg/m³ Compressive Strength : 54.1 to 100.4 N/mm² Modulus of Rupture : 12.4 to 15.5 N/mm² Water Absorption : Less than 0,2 % Porosity : 4 % Weather Impact : Resistant to cold and warm climates. Pallets.
