Honestone is the name given to a "bedded fine-grained tuff" (lithified volcanic ash from the Ordovician period. It was used locally for edging scythes and knives, & sent to England for use in sharpening cut-throat razors and edged-tools of various kinds.
No EXIF information is available
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Keywords:cymru, dolwyddelan, geology, honestone, moel siabod, penrhiw, quarries, quarrying, snowdonia, tuffs, volcanic ash, wales
