Fluor Spar

Word FLUOR SPAR
Character 10
Hyphenation N/A
Pronunciations N/A

Definitions and meanings of "Fluor Spar"

What do we mean by fluor spar?

Here you will find one or more explanations in English for the word fluor-spar. Define fluor-spar, fluor-spar synonyms, fluor-spar pronunciation, fluor-spar translation, English dictionary definition of fluor-spar.

Synonyms and Antonyms for Fluor Spar

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The word "fluor-spar" in example sentences

_Calcium fluoride_, CaF_2, constitutes the mineral fluor-spar (_q. v._), and is prepared artificially as an insoluble white powder by precipitating a solution of calcium chloride with a soluble fluoride. ❋ Various (N/A)

The centers of the fluor-spar cubes become negatively electric by the action of light. ❋ Various (N/A)

Hantzel has communicated to the Saxon Royal Society of Science some interesting observations on the production of electricity by light in colored fluor-spar. ❋ Various (N/A)

Of this fluor-spar were formed the celebrated murrhine cups which were in use in Rome in the days of Pliny among the richest people, and for which fabulous prices were paid. ❋ Hugh Macmillan (N/A)

_Murrha_ was employed, which has been identified with fluor-spar, a translucent crystalline stone marked with blue, red, and purple, similar to the beautiful substance found near Matlock in Derbyshire. ❋ Hugh Macmillan (N/A)

The photo-electric excitability of fluor-spar crystals is increased by a moderate heat (80° to 100° C.). ❋ Various (N/A)

The most beautiful are those made of fluor-spar, the celebrated Blue John Mine providing the most beautiful specimens. ❋ Unknown (1900)

Fluorine is frequently met with as calcium fluoride or fluor-spar ❋ Cornelius Beringer (1886)

~Fluor~: fluor-spar as free as possible from other minerals, powdered. ❋ Cornelius Beringer (1886)

In the case of fluorides free from silicates (such as fluor-spar), it is determined indirectly by decomposing a weighed portion with sulphuric acid, evaporating, igniting, and weighing the residual sulphate. ❋ Cornelius Beringer (1886)

In these cases what we have is either a conversion of heat rays into light rays (as in the powdered fluor-spar), or the absorption and giving out again of sun-rays. ❋ Various (1880)

The diamond shines for a time in the dark after it has been exposed to the sun; so do pieces of quartz when rubbed together, and powdered fluor-spar when heated shines with considerable brilliancy. ❋ Various (1880)

Sullenly outstretched asleep it lay beneath us, coloured with the tints of fluor-spar, or with the changeful green and azure of a peacock's breast. ❋ John Addington Symonds (1866)

At its basement sleeps a pool, perfectly untroubled; a lakelet in which the sheltering rocks and nestling wild figs are glassed as in a mirror -- a mirror of blue-black water, like amethyst or fluor-spar -- so pure, so still, that where it laps the pebbles you can scarcely say where air begins and water ends. ❋ John Addington Symonds (1866)

I know not how many of you may be in the condition of this fluor-spar. ❋ John Tyndall (1856)

There are in the mineral world certain crystals -- certain forms, for instance, of fluor-spar, which have lain darkly in the earth for ages, but which nevertheless have a potency of light locked up within them. ❋ John Tyndall (1856)

Thus an ore containing a large proportion of fluor-spar may with great advantage be employed to flux another containing felspar or quartz, which substances are almost infusible alone. ❋ Various (1841)

The fluor-spar taken from this mine is of a rich blue color, and is wrought into vases and cups, which were extremely beautiful. ❋ William Cullen Bryant (1836)

Cross Reference for Fluor Spar

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What does fluor spar mean?

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