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Adamantine Spar: Adamantine is a mineral, often referred to as adamantine spar. It is a silky brown form of corundum. It has a Mohs rating of 9.
Printed dictionaries and other books with definitions for Adamantine Spar
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with an account of the processes employed in many of the most important chemical manufactures to which are added a description of chemical apparatus, and various useful tables of weights and measures, chemical instruments, &c. &c by Arthur Aikin, Charles Rochemont Aikin
Adamantine Spar from the from from from Bengal Carnatic, Malabar China Chenevix. Chenevix. Chenevix. nearly equally soluble in water of any tempe- by - augmenting. Its colour is greyifli or greenish-white, or yellowish-green, or sapphire ...
The Encyclopaedia Britannica, Or, A Dictionary of Arts, Sciences, and Miscellaneous Literature (1823)
Heavy spar will produce for a nucleus a right prism with rhomboidal bases; feld spar, an oblique-angled parallelopiped, but not rhomboidal; apatite or beryl, a right six-sided prism; the adamantine spar a rhomboid, a little acute; blende, ...
by Abraham Rees
Adamantine spar is used throughout India and China sor the purpose of polishing steel and gems, for which its great hardness renders it peculiarly well adapted. Of the miues of this stone, and the method of procuring it in China and Bengal ...
by Encyclopaedia Perthensis
and the true adamantine spar of China gave 3 8221. (4.) Spar, felt, or Felt-spar, or Felspar, Sparre, Dutch.] A small beam; the bar of a' as Dr Thomson spells it, is called by former mi- spare diet. Locke. %. Superfluous; unwanted No spare cloths ...
The Cyclopaedia; Or, Universal Dictionary of Arts, Sciences and Literature. - London, Longman, Hurst (usw.) 1819-20 (1819)
by Abraham Rees
_ _ Adamantine spar is used throughout India and China for the pur ose of polishing steel and gems, for which its great hardness renders it peculiarly well adapted. Of the mines of this stone, and the method of procuring it in China and Ben al ...
by William Nicholson
18, and the true adamantine spar of China gave 3.82 . Although the word spar seems to include almost all the earthy crystalized ...
The Encyclopaedia Britannica (1842)
Or, Dictionary of Arts, Sciences, and General Literature
Universal Technological Dictionary Or Familiar Explanation of the Terms Used in All Arts and Sciences (1823)
Containing Definitions Drawn from the Original Writers : in Two Volumes by George Crabb
Pure Argill Porcelane Earth Common Argill Jasper Opal Pitchstone Adamantine Spar Felspar Argillaceous Schist Inflammable Schist Aluminous Earth Aluminous Schist Aluminous Stone Nigrica Genera. Coticula Tripoli Mica Chlorite ...
With Its Application to the Arts and Manufactures, and to the Explanation of the Phaenomena of Nature... : with Plates and Tables by William Nicholson
Small crystalline grains of inagnetical ferruginous calx are occasionally found in the adamantine spar of China, which may be separated by the magnet when the stone is pulverized. The second variety, which comes from 1 India, is called ...
A Dictionary of Chemistry on the Basis of Mr Nicholson's ... with an Introductory Dissertation. - London, Underwood 1821 (1821)
by Andrew Ure
Small crystalline grains of magnetical ferruginous calx are occasionally found in the adamantine spar of China, which may be separated by the magnet when the stone is puldverized. The second variety, which comes from India, is called ...
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