PRETO SAO GABRIEL

Allgemeine Informationen
Trading names | PRETO SAO GABRIEL, BLACK BRASIL, NEGRO BRASIL, BLACK ST. GABRIEL |
Location where found | Sao Gabriel de Baunilha/Colatina (ES) |
Country | Brazil | Coloring | black green |
Grain size | Medium grained |
Structure | Largely without direction |
Availability | Available |
Gestein
Bezeichnung | Gabbro |
Alter | Precambrian |
Gesteinsgruppe | Abyssal rock |
Technische Eigenschaften
Polish quality | Polish possible. |
Polish durability | The polish is durable for exterior use. |
Suitable for flooring | Suitable |
Acid resistant | The stone is resistant to acid under usual circumstances. |
Frost resistant | frost resistant |
Technische Daten
Bulk density | 2,95 t/m³ |
Pressure resistance | 129 MPa |
Druckfestigkeit Frost | 143,6 MPa |
Abrasion resistance according to Italian standard | 1,14 |
Bending strength | 25,7 MPa |
Water absorption | 0,33 Gew.-% |
Porosity | 0,96 Vol.-% |
Thermische Dehnung | 0,91 mm/m/100K |
E Modul | 73,54 GPa |
Mineralbestand
Plagioclase | 65 % |
Pyroxene (augite) | 15-20 % |
Biotite mica | 10 % |
INSK – Internationale Naturstein-Kartei
INSK Number old | 4.4.10 |
INSK Number | 28.4 |
Care information from Möller-Chemie
Recommendations for bonding and filling
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