With its four marvellous colours Luserna stone is a lamellar gneiss. Due to its enviable technical characteristics, such as its incomparable hardness (even for very thin thickness), it is a versatile material, perfectly suited to every kind of use, both for interiors and exteriors. Thanks to its brightness Luserna stone represents the perfect solution for luxury facing, paving, staircases, and window-stills.
Main components : Quartz, Feldspar, Mica
Petrographical name : Sedimentary Orthogneiss
Volume/weight : 2660 kg/cubic meters
Hardness : 7° of Mohs scale
Compression strenght : 161,70 MPA
Resistance to bending : 23,8 MPA
Breaking load due to bending after freezing : 22,4 MPA
Frost resistance : frost resistant
Fire resistance : very high
Water resistance : 0,2%
Abrasion resistance : 13,5 mm
Slip resistance : 56
Action of acids : none
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