1) Calcium mineral
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• (n.) A name given to fluor spar in Derbyshire, where it is used for ornamental purposes.
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A type of Crystalline fluorspar with bands of yellow, purple, blue and white, mined in Derbyshire. It was popular in the late 18th and late 19th centuries, when it was used for objets de vertu, candlesticks and candelabra.
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A type of Crystalline fluorspar with bands of yellow, purple, blue and white, mined in Derbyshire. It was popular in the late 18th and late 19th centuries, when it was used for OBJECTS OF VERTU, candlesticks and candelabra.
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Blue'-john` noun A name given to fluor spar in Derbyshire, where it is used for ornamental purposes.
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http://www.encyclo.co.uk/webster/B/70
Synonym (also Blauer Hans) for the grape variety Hanns; see there. Hanns The white grape variety comes from Austria. Synonyms are Abendroth, Abendröte, Blauer Hans, Blue John, Falscher Frühroter, Falscher Frühroter Veltliner, Fleischtraube, Hans, Hansen, Hannsen, Hannsen Weiß, Kleiner Roter Veltliner, Kleiner Veltliner, Musler, Roter Hanse...
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https://glossary.wein.plus/blue-john
No exact match found.
