A N T I M O N Y : ITS HISTORY, CHEMISTRY, MINERALOGY ...

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198 THE METALLURGY OF ANTIMONY. silver. The value per unit of antimony is according to market condition. Gold is generally paid for at 75s. per oz.; sometimes, however, no pay is given for the precious metals. (b) The same class of auriferous ore, but with less than 40 per cent, of antimony; sometimes with payable silver. Pay is given for precious metals as under (a). (c) Antimony ore, both sulphide and oxide, free from precious metals, with from 40 to 70 per cent, antimony. (d) The same class of ore as (c), but with less than 40 per cent, antimony. (e) Mixed copper, antimony, and zinc ores, nearly always carrying some lead and silver, in which antimony is paid for at prices varying from the price of lead to 5s. per unit. (/) Lead concentrate and high-class lead ore, with 40 to 60 per cent, lead, 3 to 10 per cent, antimony, and generally carrying some silver. Antimony is usually sold at lead-price by the mines, and also sometimes by dealers, on the consideration that they receive the resulting hard lead at an advantage on the market price. The extraordinary fluctuations of prices of regulus in the years 1906 and 1907 may be attributed to various causes. The sudden rise of the metal from its normal rate of about £40 tk J>120 per ton in 1906 may be due to the following causes * :— (a) Increased demand in the machine industries. (b) Partial replacement of tin, now scarce and expensive, by antimony in alloys, Babbitt and bearing metal. (c) A change in the quality of the ore coming on the market ffom high grade to low grade, as workings in the mines reached greater depths. (d) The general increase in prices of all metals as compared with the constant value of gold. (e) The increase in the production of antimony oxide in place of its metal, for the manufacture of antimony pigments. (f) Its replacing soft lead for acid-proof linings and other purp6ses. (g) The sulphide being used in greater quantities than ever in the rubber industry for the purposes of vulcanisation. (h) Its great demand during the Russo-Japanese war for artillery uses.f (i) Speculation. * From F. T. Havard, "The Antimony Industry," The New Zealand Mines Record, April 16, 1907. t The author was informed of this by a French dealer in antimony, but was unable to verify the statement.
THE PRODUCTION AND VALUATION OF ANTIMONY ORE. 199 4 2 •a M Hung and h .5 S 8 § s s •5« co :o 3 § CO rH ?3 00 »*• lO CM 00 « M * IO r» co © S ® r-t 5 r-l * ©Q rf 2 5 5 5 £ S ^ IQ r-l 1> lO O> § I S^ | g" | | | | g § op cyi c^ © co co A co co ^ oo co co c s e o i r s i o o c o c ' * * * ' * lO VT5 »H CD CO CQ t"^ 00^ ^ »O" r^-^rc^TrH'ofco"'"^©" l O f f i t O e i ^ M r i C O M l ' I f e O l>fr-C>CMIMrtir^^S
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A N T I M O N Y : ITS HISTORY, CHEM
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PREFACE. A METALLURGICAL work in En
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TABLE OF CONTENTS. CHAPTER I. THE H
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THE METALLURGY OF ANTIMONY. CHAPTER
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THE HISTORY OF ANTIMONY. 3 Basil Va
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THE HISTORY OF ANTIMONY. 3 precipit
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THE CHEMISTRY OF ANTIMONY. 7 antimo
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THE CHEMISTRY OF ANTIMONY. the red
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THE CHEMISTRY OF ANTIMONY. 11 The m
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THE CHEMISTRY OF ANTIMONY. 13 SECTI
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THE CHEMISTKY OF ANTIMONY. compound
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Chemical Formulae. K3SbCl6 Na3SbCl6
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THE CHEMISTRY OF ANTIMONY. 19 The o
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THE CHEMISTKY OF ANTIMONY. 21 a cop
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THE CHEMISTRY OF ANTIMONY. 23 (2b)
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THE CHEMISTRY OF ANTIMONY. 25 Boili
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Chemical Composition. (STH4)2Sb4S7
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THE CHEMISTRY OF ANTIMONY* 29 by di
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THE CHEMISTRY OF AOTIMONY. 227° =
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THE CHEMISTRY OF ANTIMONY. 33 Some
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CHAPTER TIT. THE MINERALOGY OF ANTI
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THE MINERALOGY OF ANTIMONY. 37 Occu
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THE MINERALOGY OF ANTIMONY. 39 Occu
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THE MINERALOGY OF ANTIMONY. 41 Miar
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THE MINEIIALOGY OF ANTIMONY. 43 Occ
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THE MINERALOGY OF ANTIMONY. 45 3. D
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THE GEOLOGICAL OCCURRENCE OF ANTIMO
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THE GEOLOGICAL OCCURRENCE OK ANTIMO
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TI1K ISKOIJOGIOAL OOCURUKNOK OV ANT
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THE GEOLOGICAL OCCUERENCE OF ANTIMO
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THE GEOLOGICAL OCCUBRENCE OF ANTIMO
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TIIK GEOLOGICAL OCCUKUENCK OF ANTIM
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THE GEOLOGICAL OCCUKRENCE OF ANTIMO
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GENERAL SCHEME OF THE METALLURGY OF
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CHAPTER V.* THE METALLUBGY OF ANTIM
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THE METALLURGY OF ANTIMONY. 71 rows
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THE METALLUKi'iY OF ANTIMONY. A goo
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THE METALLURGY OF ANTIMONY. The cos
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THE METALLURGY OF ANTIMONY. 77 fuel
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THE METALLURGY OF ANTIMONY. to furt
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THE METALLURGY OF ANTIMONY. with a
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THE METALLURGY OF ANTIMONY. 83 a re
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THE METALLURGY OF ANTIMONY. 85 (2)
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THE METALURGY OF ANTIMONY. 87 roast
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THE METALLURGY OF ANTIMONY. 89 Chat
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FIG. 28. ¥m. 29. a, Roasting furna
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THE METALLURGY OF ANTIMONY. '13 The
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THE METALLURGY OF ANTIMONY. of the
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THE METALLURGY OK ANTIMONY. The inf
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Cross Section C.D.E.F Cross Section
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G. Y, Wang's Antiinony. [To face pa
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102 THE METALLURGY OF ANTIMONY. An
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104 THE METALLURGY OF ANTIMONY. Fig
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106 THE METALLURGY OF'ANTIMONY. Alt
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108 THE METALLURGY OF ANTIMONY.
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110 THE METALLURGY OF ANTIMONY. fur
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112 THE METALLURGY OF ANTIMONY. Bal
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114 THE METALLURGY OF ANTIMONY. bee
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116 THE METALLURGY OF ANTIMONY. mou
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118 THE METALLURGY OF ANTIMONY. sul
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120 TUB METALLURGY OF ANTIMONY. The
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122 THE METALLURGY OF ANTIMONY. obt
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124 THE METALLURGY OF ANTIMONY. The
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126 THE MBTALLUKGY OF ANTTMONY.
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128 THE METALLURGY OF ANTIMONY. sod
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130 THE METALLURGY OF ANTIMONY. evo
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132 THE METALLURGY OF ANTIMONY. The
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134 THE METALLUKGY OF ANTIMONY. hor
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136 THE METALLURGY OF ANTIMONY. At
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TEIE METALLURGY OF ANTIMONY. ). Oha
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140 THE METALLURGY OF ANTIMONY. 70.
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142 THE METALLURGY OF ANTIMONY. 135
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144 THE METALLUKGY OF ANTIMONY. Eng
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146 THE METALLURGY OF ANTIMONY. ant
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Page 184 and 185: 176 THE METALLURGY OF ANTIMONY. 41.
Page 186 and 187: CHAPTER VIT. THE ANALYSIS OP ANTIMO
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Page 204 and 205: CHAPTER VIII. THE PBODUCTION AND VA
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Page 216 and 217: INDEX. AAEON, C. H., 191. Abegg, 34
Page 218 and 219: 0 INDEX. bierre, 66, 67. 86, 154 ck
Page 220 and 221: 212 INDEX. Gross-Gbllnitz, 70. Grii
Page 222 and 223: 214 INDEX. Mines, antimony, 205, 20
Page 224 and 225: 216 INDEX. Spain, antimony ores of,
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A N T I M O N Y : ITS HISTORY, CHEMISTRY, MINERALOGY ...

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