1. 
   blue john
   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.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   Blue John
   [album] Blue John is an album by American organist John Patton recorded in 1963 but not released on the Blue Note label until 1986. ==Reception== The Allmusic review by Steve Huey awarded the album 4½ stars and stated "While the grooving interplay between Patton, Green, and Dixon is as inst...
   Found op http://en.wikipedia.org/wiki/Blue_John_(album)
   
   
3. 
   Blue-john
   Blue'-john` noun A name given to fluor spar in Derbyshire, where it is used for ornamental purposes.
   Found op http://www.encyclo.co.uk/webster/B/70
   
   
4. 
   Blue-john
   • (n.) A name given to fluor spar in Derbyshire, where it is used for ornamental purposes.
   Found op http://thinkexist.com/dictionary/meaning/blue-john/
   
   
5. 
   blue-john
   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.
   Found op http://www.antique-marks.com/antique-terms-b.html
   
   
6. 
   Bluejohn
   The result of the debate was delete. – Robert 20:19, 21 December 2005 (UTC) ===B-Town Project=== ...
   Found op http://en.wikipedia.org/wiki/Bluejohn
   
   

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