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|Local Name(s):||Grinshill Stone - Red.|
|General Colour Description:||
A red and a pink Grinshill sandstone are quarried which are brownish red or purplish pink in colour. A 'white' Grinshill stone is also common being a whitish grey, creamy buff colour with brown speckles.
|Hand Specimen Description:||
It is a fine to medium grained rock which is rough, hard and moderately well sorted. The stone comprises quartz, microcline, muscovite mica, potash feldspar, granitic inclusions, plagioclase feldspar, flint/chert, quartzite and dark iron ore.
|Reacts dilute to HCl?||No|