Home /Stone library

Stone library

Portofino Green Slate
About
Material Type: Slate
Origin: Brazil ((Minas Gerais))
Priamry Color(s): Green
Recommended Usage:Building stone, roof tiles, countertops, sinks, monuments, pool coping, sills, ornamental stone, int
Additional Names:Verde Portofino Slate,Ardosia Verde Portofino
Finished Surface:Sawn Cut, Sanded, Rockfaced, Sandblasted, Bushhammered, Tumbled, Thermalled, Natural Cleft, Weatheredge
Testing
Water Absorption:0.616 %
Density:2720 kg/m3
Compressive Strength:20.0 - 24.3 MPa
Description

Calcinations loss……. 2,9 %
Silex……. 64,5 %
Iron Oxide…………. 6,8 %
Aluminium Oxide………. 17,2 %
Calcium Oxide………. 0,7 %
Magnesium Oxide……… 2,1 %
Potasium Oxide……….3,6 %
Sodium Oxide……… 1,9 %
Sulphates expessed as SO3…….Inf. 0,1 %
Visible volumetric mass………..2720 KG/M3
Absorption coefficient……….0,616%
Breaking load through indirect stress by bending………24,3 MPa
Breaking load through indirect stress by bending after cooling………..20,0 MPa
Wear by attrition: abrasion coefficient in tribometer……………….7,57 MM
 OBS.: 1 MPa = 10,2 Kg.f / Cm.2

Portofino Green Slate

Green- Slate

Brazil
Item Details
Quarry Location: (Minas Gerais)
Recommended Usage: Building stone, roof tiles, countertops, sinks, monuments, pool coping, sills, ornamental stone, int
Additional Names: Verde Portofino Slate,Ardosia Verde Portofino
Finished Surface: Sawn Cut, Sanded, Rockfaced, Sandblasted, Bushhammered, Tumbled, Thermalled, Natural Cleft, Weatheredge
Water Absorption: 0.616 %
Density: 2720 kg/m3
Compressive Strength: 20.0 - 24.3 MPa
Description

Calcinations loss……. 2,9 %
Silex……. 64,5 %
Iron Oxide…………. 6,8 %
Aluminium Oxide………. 17,2 %
Calcium Oxide………. 0,7 %
Magnesium Oxide……… 2,1 %
Potasium Oxide……….3,6 %
Sodium Oxide……… 1,9 %
Sulphates expessed as SO3…….Inf. 0,1 %
Visible volumetric mass………..2720 KG/M3
Absorption coefficient……….0,616%
Breaking load through indirect stress by bending………24,3 MPa
Breaking load through indirect stress by bending after cooling………..20,0 MPa
Wear by attrition: abrasion coefficient in tribometer……………….7,57 MM
 OBS.: 1 MPa = 10,2 Kg.f / Cm.2