PRETO CEARA
Allgemeine Informationen
Trading names | PRETO CEARA, PRETO NOVO |
Location where found | Jaguarao / Aracoiaba / Ceara |
Country | Brazil | Coloring | black |
Grain size | Fine to medium grained |
Structure | Largely without direction |
Availability | Is being mined, but is used very seldom. |
Gestein
Bezeichnung | Diorite |
Alter | Precambrian |
Gesteinsgruppe | Abyssal rock |
Technische Eigenschaften
Polish quality | Polish possible. |
Suitable for flooring | Suitable |
Frost resistant | frost resistant |
Technische Daten
Bulk density | 2,67 t/m³ |
Pressure resistance | 142,0 MPa |
Abrasion resistance according to Italian standard | 1,40 |
Water absorption | 0,28 Gew.-% |
Porosity | 1,05 Vol.-% |
Mineralbestand
Plagioclase | 41 % |
Amphibole | 16 % |
Pyroxene (augite) | 14 % |
Biotite mica | 13 % |
Quarz | 5 % |
INSK – Internationale Naturstein-Kartei
INSK Number | 28.19 |
Recommendations for bonding and filling
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