One of the mysteries of the English language finally explained.
A mineral consisting of calcium fluoride which typically occurs as cubic crystals, colorless when pure but often colored by impurities.
- ‘Coexisting MI phases in these rocks include garnet, plagioclase, quartz, tourmaline and fluorite.’
- ‘Stalactite-like structures were common in the Black Sheep pocket, forming knobs and fingers of matrix covered with druzy quartz, fluorite, and galena crystals.’
- ‘Most specimens are on a typical brown goethite matrix and may have associated calcite, plattnerite, barite, fluorite, and hemimorphite.’
- ‘A greisen is a quartz - mica aggregate containing significant amounts of cassiterite, wolframite, fluorite, topaz, rutile, and tourmaline.’
- ‘We looked at outcrops by the open pit and saw vugs everywhere with remnants of fluorite and barite crystals.’
Mid 19th century: from fluor (see fluorspar) + -ite.
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