Mar 2009
22

A minor yelled ‘theres a light up above!’

I spent this morning *checks watch* yesterday morning in a Blue John mine.

I knew nothing about Blue John except that it’s only found in one valley in Derbyshire.

Except, that’s not entirely true. It’s like saying that a blue veiny cheese made in a Stilton style by a bloke in a shed in Somerset isn’t Stilton because it wasn’t made in the village of Stilton… Blue John is simply Fluorite that has been mined from one of the 15 recognised seems in the relevant valley of Derbyshire. An almost identical sample from a mine quarter of a mine away wouldn’t be Blue John purely because it was mined from the wrong valley.

A bowl mined from one valley might be worth £1000. The same bowl from a rock a valley over would be a tenth of that.

Somehow I’m not as impressed any more…

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