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Welsh Jasper
This stone is older than it looks. Send it to someone five minutes away.
Just found Welsh Jasper in 39, St James's Street & Piccadilly.
Neoproterozoic dolomite marble, quarried at Mynydd Carreg, Lleyn Peninsula, North Wales, UK. Nearest stop: Green Park.
This stone is older than it looks — worth five minutes if you're nearby.
https://www.londonpavementgeology.co.uk/location/97-39-st-james-s-street-piccadilly/
The closest other recorded buildings.
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