blue john
noun
a blue or purple fibrous variety of fluorspar occurring only in Derbyshire: used for vases, etc
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This tall, horizontally branched cactus is probably the most recognizable cactus in Arizona. What is it called?
Words nearby blue john
blue jasmine, blue jay, blue-jeaned, blue jeans, blue jet, blue john, blue law, blue laws, blue-leg, blue lias, blueline
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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