Derbyshire spar

noun

blue John (mineral)

Meanings

nounDerbyshire spar (countable and uncountable, plural Derbyshire spars)

plural Derbyshire spars

  1. countableuncountablechemistryblue John (mineral)
Cite this entry
APA

Derbyshire spar. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Derbyshire%20spar

MLA

“Derbyshire spar.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Derbyshire%20spar. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “Derbyshire spar,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Derbyshire%20spar.

Source: Derbyshire spar on Wiktionary, CC BY-SA 4.0.