Mineral Composition
Microcline - 25/30%
Quartz - 25/30%
Plagioclase (Oligoclase) - 15/20%
Muscovite (+ Sericite) - 10%
Carbonate - 5/10% Allanite - 5%
Others - 5%
Fluorite, Titanite, Zircon, Opaque Minerals Sericite Tr, Clayey Minerals Tr, Iron Hydroxides and/or oxides Tr

Petrographic Classification
Phorphyry Rhyolite

Physical-Mechanical Features
• Dry Density: 2679 kg/m 3
• Apparent Porosity: 0.64%
• Water Absorption: 0.24%
• "Amsler" Wear Value 0.53 mm
• Compression Breaking Load: 190.4 MPa
• Compression Breaking Load After Freezing: 181.5 MPa
• Impact Strength Test: 0.44 m
• Static Deformability Modulus: 68.00 GPa
• Thermal Linear Expansion Coefficient: 9.4 mm/m°C x 10 -3
• Bending Test: 20.54 Mpa