Blue John diamond shaped brooch c1970

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Location: United Kingdom
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Auction Start: 13/03/24 13:40:00 UTC
Auction Ending: 27/03/24 20:08:00 UTC
Auction Finished : 27/03/24 20:08:04 UTC
LOT NUMBER 5
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LOT NUMBER 5

Blue John diamond shaped brooch c1970

This is a very unusual brooch comprising a large diamond shaped Blue John stone. It is marked Silver.

The Blue John Cavern In Derbyshire

Blue John is Britain's rarest mineral, first discovered at Castleton by the Romans almost 2000 years ago. The worlds only known deposits of this extremely rare and beautiful stone have been found in Castleton to date. During excavations at Pompeii two vases of Blue John Stone were supposedly unearthed, evidence therefore that the Romans not only discovered the stone but also appreciated it for its ornamental value. The Blue John Cavern is home to 8 of the 15 known veins of this beautiful mineral.(excerpt from Blue John Cavern website)

Size: 4.15 x 1.85 cm
Weight: 7.22 grams
Date: c1970
Condition: Very good condition, no issues
Estimate: £30 – 40

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