Webster's Online Dictionary
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Definition: BLUE-JOHN

Part of Speech Definition
Noun 1. A name given to fluor spar in Derbyshire, where it is used for ornamental purposes.[Websters].

Source: Webster's Revised Unabridged Dictionary (1913)

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Date "Blue-john" was first used in popular English literature: sometime before 1828. (references)

Specialty Definition: BLUE-JOHN

Domain Definition
Noah Webster [Noun] Among miners, fluor spar, a mineral, found in the mines of Derbyshire, and fabricated into vases and other ornamental figures. Source: Webster's 1828 American Dictionary.

Source: compiled by the editor from various references; see credits.

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Definition: BLUE-JOHN

Part of SpeechDefinition
Noun1. A name given to fluor spar in Derbyshire, where it is used for ornamental purposes.[Websters].

Source: Webster's Revised Unabridged Dictionary (1913)

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Date "BLUE-JOHN" was first used in popular English literature: sometime before 1828. (references)

Specialty Definition: BLUE-JOHN

DomainDefinition
Noah Webster [Noun] Among miners, fluor spar, a mineral, found in the mines of Derbyshire, and fabricated into vases and other ornamental figures. Source: Webster's 1828 American Dictionary.

Source: compiled by the editor from various references; see credits.

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