Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Any of various shiny minerals composed chiefly of metallic sulfides.
from The Century Dictionary.
- noun An ore of zinc; a native sulphid of zinc, but commonly containing more or less iron, also a little cadmium, and sometimes rarer elements (gallium, indium).
from the GNU version of the Collaborative International Dictionary of English.
- noun A mineral, called also
sphalerite , and by minersmock lead ,false galena , andblack-jack . It is a zinc sulphide, but often contains some iron. Its color is usually yellow, brown, or black, and its luster resinous. - noun A general term for some minerals, chiefly metallic sulphides which have a somewhat brilliant but nonmetallic luster.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy A naturally-occurring
sulphide ofzinc .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun an ore that is the chief source of zinc; consists largely of zinc sulfide in crystalline form
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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It is necessary in this case to calculate the volumes of the galena and of the blende, which is done by dividing the weights by the sp. gravities: thus, 4 divided by 7.5 gives 0.53 and 5 divided by 4 gives
A Text-book of Assaying: For the Use of Those Connected with Mines. Cornelius Beringer 1886
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They were standing at the base of the saddle ridge of pitch-blende, looking down the fold limb.
Cattle Town 2010
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Sphalerite or blende (zinc sulfide), the original zinc ore, smithsonite, hydrozincite, willemite.
13. Glaze oxides 1993
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If the two brigs covered Killick's land-battery with gunfire, then the Marines could go in with powder barrels, pitch-blende, and Chinese lights to torch the Thuella down to charred ribs.
Sharpe's Siege Cornwell, Bernard 1987
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They were standing at the base of the saddle ridge of pitch-blende, looking down the fold limb.
Dinosaur Planet McCaffrey, Anne 1978
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Iron, copper, and arsenical pyrites, antimony, galena, molybdenite, zinc blende, and wolfram were treated in the above manner with similar results.
Getting Gold: a practical treatise for prospectors, miners and students
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Numerous other minerals are at times mistaken for tin, the most common of which are tourmaline or schorl, garnet, wolfram (which is a tungstate of iron with manganese), rutile or titanic acid, blackjack or zinc blende, together with magnetic, titanic, and specular iron in fine grains.
Getting Gold: a practical treatise for prospectors, miners and students
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There is not the smallest indication of pitch-blende anywhere in the neighbourhood, and radium, as even those little versed in chemistry or geology are aware, is only to be found in that particular ore.
Men of Affairs Roland Pertwee
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The most abundant source at present known is the Freiberg blende, 100,000 parts of which only yield from twenty-five to forty parts of indium.
Field's Chromatography or Treatise on Colours and Pigments as Used by Artists George Field
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Thus, if galena and zinc blende in acid solutions be connected in the usual manner by a voltaic pair, sulphuretted hydrogen is evolved from the surface of the former, and a current generated which is sufficient to reduce gold, silver or copper from their solutions in coherent electro-plate films.
Getting Gold: a practical treatise for prospectors, miners and students
fbharjo commented on the word blende
blende (a zinc ore)- from the German to deceive, to blind because it resembles galena.
Another zinc ore is smithsonite - (ZnCO3) (named after the mineralogist who first recognized it and whose bequest started the Smithsonian Institute) with one of the first mines where it was mined being the Kelly mine near Magdalena, NM.
It took James Smithson to recognize it was not just calamine, but something different.
Quite a different type of blend!
(or unblende?)
September 25, 2012