Chemistry, Properties and Tests of Precious Stones

<SPAN name="startofbook"></SPAN> <h1>THE CHEMISTRY,</h1> <h1>PROPERTIES AND TESTS OF</h1> <h1>PRECIOUS STONES</h1> <h4>BY</h4> <h3><span class="smcap">JOHN MASTIN, M.A. D.Sc. Ph.D. Litt.D.</span></h3> <hr style="width: 65%;" /> <h2>PREFACE</h2> <p>Some little time ago certain London diamond merchants and wholesale dealers in precious stones made the suggestion to me to write a work on this section of mineralogy, as there did not appear to be any giving exactly the information most needed.</p> <p>Finding there was a call for such a book I have written the present volume in order to meet this want, and I trust that this handbook will prove useful, not only to the expert and to those requiring certain technical information, but also to the general public, whose interest in this entrancing subject may be simply that of pleasure in the purchase, possession, or collection of precious stones, or even in the mere examination of them through the plate-glass of a jeweller's window.</p> <p class="right"> JOHN MASTIN.</p> <p><span class="smcap">Totley Brook</span>,<br/> &nbsp;&nbsp;&nbsp;&nbsp;<span class="smcap">near Sheffield</span>.<br/> <br/> <i>June 1911.</i><br/></p> <hr style="width: 65%;" /> <p><span class="pagenum"><SPAN name="Page_1" id="Page_1">[Pg 1]</SPAN></span></p> <div style="break-after:column;"></div><br />