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Black Mica Slate
Black Mica Slate is a kind of black slate quarried in Finland. This stone is especially good for suitable for interior and exterior applications and other design projects. It is also called Puolanka Slate,Lappia Silver.
Data on Black Mica Slate
Catalog: Slate
Color: Black
Origin:
Finland
FinlandQuarry Location:Rahinkkalanvaar, Puolanka, Kotila, Oulu
Water Absorption:0.23 By weight %
Density:2860 kg/m3
Flexural Strength:24 MPa
Compressive Strength:69 Mpa
Recommended Usage:Suitable for interior and exterior applications
Additional Names:Puolanka Slate,Lappia Silver
Description
A silver-coloured, folded mica schist from Puolanka.
Schistose and muscovite bearing layers folded in small scale. Quarried and processed like granite.
Mineralogical composition
Muscovite mica:37%
Biotite mica:18%
Quartz:38%
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