<TABLE BORDER=0 TITLE="Unconventional Lapidarist" SUMMARY="Unconventional Lapidarist"> <TR> <TD><A HREF="http://www.unconventionallapidarist.com" TITLE="Unconventional Lapidarist"><IMG SRC="https://store.nexternal.com/lapidarist/lapidarist-logo-small.jpg" ALT="Unconventional Lapidarist" NAME="Unconventional Lapidarist" BORDER=0></A></TD> <TD>&nbsp;&nbsp;</TD> <TD><H1><A HREF=http://store.unconventionallapidarist.com/Category653>Gemstone Beads</A> / Lapis</H1></TD> </TR> </TABLE> <P><b>Lapis lazuli</b> <span class="IPA" title="Pronunciation in the International Phonetic Alphabet (IPA)"></span> (SimplePronounciation | lap-iz-la-zoo-lee) (sometimes abbreviated to <i>lapis</i>) is a <span class="mw-redirect">semi-precious stone</span> prized since antiquity for its intense blue color.<br /><p>Lapis lazuli is a rock, not a mineral: whereas a mineral has only one constituent, lapis lazuli is formed from more than one mineral.<sup class="reference" id="cite_ref-1"><span>[</span>2<span>]</span></sup></p> <p>The main component of lapis lazuli is lazurite (25% to 40%), a feldspathoid silicate mineral composed of sodium, aluminium, silicon, oxygen, sulfur, and chloride. Its formula is (Na,Ca)<sub>8</sub>(AlSiO<sub>4</sub>)<sub>6</sub>(S,SO<sub>4</sub>,Cl)<sub>1-2</sub>.<sup class="reference" id="cite_ref-2"><span>[</span>3<span>]</span></sup> Most lapis lazuli also contains calcite (white), sodalite (blue) and pyrite (metallic yellow). Other possible constituents are augite, diopside, enstatite, mica, <span class="mw-redirect">hauynite</span>, hornblende and nosean. Some contain trace amounts of the sulfur rich lollingite variety <i>geyerite</i>.</p> <p>Lapis lazuli usually occurs in crystalline marble as a result of <span class="mw-redirect">contact metamorphism</span>.</p> <p>The finest color is intense blue, lightly dusted with small flecks of golden pyrite. There should be no white calcite veins and the pyrite inclusions should be small. Stones that contain no calcite at all or too much pyrite are not as valuable. Patches of pyrite are an important help in identifying the stone as genuine and do not detract from its value. Often, inferior lapis is dyed to improve its color, but this is often a very dark blue with a noticeable grey cast, may also appear as a milky shade.</p> <br /><font class="font2">This article is licensed under the <a href="http://www.gnu.org/copyleft/fdl.html" class="external text" title="http://www.gnu.org/copyleft/fdl.html" rel="nofollow" target="_blank">GNU Free Documentation License</a>. It uses material from the <a href="http://en.wikipedia.org/wiki/Lapis" class="external text" title="http://en.wikipedia.org/wiki/Lapis" rel="nofollow" target="_blank">Wikipedia article "Lapis"</a></font></P> <BR clear=left><BR><P><A HREF=http://store.unconventionallapidarist.com/Product11360 TITLE="Afghanistan Lapis 10mm Bead"><IMG SRC="https://store.nexternal.com/lapidarist/images/lapsbead1010-03.jpg" ALIGN=left ALT="Afghanistan Lapis 10mm Bead" NAME="Afghanistan Lapis 10mm Bead" BORDER=0></A> <A HREF=http://store.unconventionallapidarist.com/Product11360 TITLE="Afghanistan Lapis 10mm Bead">Afghanistan Lapis 10mm Bead</A> -- <STRIKE>$12.00</STRIKE> <font color=black><B>$8.40</B></font> -- Afghanistan Lapis 10mm Bead(s) (6 pcs)</P> <BR clear=left><BR><P><A HREF=http://store.unconventionallapidarist.com/Product11365 TITLE="Afghanistan Lapis 10mm Bead"><IMG SRC="https://store.nexternal.com/lapidarist/images/lapsbead1018-03.jpg" ALIGN=left ALT="Afghanistan Lapis 10mm Bead" NAME="Afghanistan Lapis 10mm Bead" BORDER=0></A> <A HREF=http://store.unconventionallapidarist.com/Product11365 TITLE="Afghanistan Lapis 10mm Bead">Afghanistan Lapis 10mm Bead</A> -- <STRIKE>$12.00</STRIKE> <font color=black><B>$8.40</B></font> -- Afghanistan Lapis 10mm Bead(s) (6 pcs)</P> <BR clear=left><BR><P><A HREF=http://store.unconventionallapidarist.com/Product11366 TITLE="Afghanistan Lapis 10mm Bead"><IMG SRC="https://store.nexternal.com/lapidarist/images/lapsbead1019-03.jpg" ALIGN=left ALT="Afghanistan Lapis 10mm Bead" NAME="Afghanistan Lapis 10mm Bead" BORDER=0></A> <A HREF=http://store.unconventionallapidarist.com/Product11366 TITLE="Afghanistan Lapis 10mm Bead">Afghanistan Lapis 10mm Bead</A> -- <STRIKE>$12.00</STRIKE> <font color=black><B>$8.40</B></font> -- Afghanistan Lapis 10mm Bead(s) (6 pcs)</P> <BR clear=left><BR><P><A HREF=http://store.unconventionallapidarist.com/Product18914 TITLE="Lapis Bead"><IMG SRC="https://store.nexternal.com/lapidarist/images/t_lapsbead1030.jpg" ALIGN=left ALT="Lapis Bead" NAME="Lapis Bead" BORDER=0></A> <A HREF=http://store.unconventionallapidarist.com/Product18914 TITLE="Lapis Bead">Lapis Bead</A> -- <STRIKE>$12.00</STRIKE> <font color=black><B>$8.40</B></font> -- Lapis Bead ( 8.5mm )</P> <BR clear=left><BR><P><A HREF=http://store.unconventionallapidarist.com/Product18917 TITLE="Lapis Bead"><IMG SRC="https://store.nexternal.com/lapidarist/images/t_lapsbead1033.jpg" ALIGN=left ALT="Lapis Bead" NAME="Lapis Bead" BORDER=0></A> <A HREF=http://store.unconventionallapidarist.com/Product18917 TITLE="Lapis Bead">Lapis Bead</A> -- <STRIKE>$12.00</STRIKE> <font color=black><B>$8.40</B></font> -- Lapis Bead ( 9mm )</P> <BR clear=left><BR><P><A HREF=http://store.unconventionallapidarist.com/Product18918 TITLE="Lapis Bead"><IMG SRC="https://store.nexternal.com/lapidarist/images/t_lapsbead1034.jpg" ALIGN=left ALT="Lapis Bead" NAME="Lapis Bead" BORDER=0></A> <A HREF=http://store.unconventionallapidarist.com/Product18918 TITLE="Lapis Bead">Lapis Bead</A> -- <STRIKE>$12.00</STRIKE> <font color=black><B>$8.40</B></font> -- Lapis Bead ( 10mm )</P> <BR clear=left><BR><P><A HREF=http://store.unconventionallapidarist.com/Product18920 TITLE="Lapis Bead"><IMG SRC="https://store.nexternal.com/lapidarist/images/t_lapsbead1036.jpg" ALIGN=left ALT="Lapis Bead" NAME="Lapis Bead" BORDER=0></A> <A HREF=http://store.unconventionallapidarist.com/Product18920 TITLE="Lapis Bead">Lapis Bead</A> -- <STRIKE>$12.00</STRIKE> <font color=black><B>$8.40</B></font> -- Lapis Bead ( 10mm )</P> <BR clear=left><BR><P><A HREF=http://store.unconventionallapidarist.com/Product18921 TITLE="Lapis Bead"><IMG SRC="https://store.nexternal.com/lapidarist/images/t_lapsbead1037.jpg" ALIGN=left ALT="Lapis Bead" NAME="Lapis Bead" BORDER=0></A> <A HREF=http://store.unconventionallapidarist.com/Product18921 TITLE="Lapis Bead">Lapis Bead</A> -- <STRIKE>$12.00</STRIKE> <font color=black><B>$8.40</B></font> -- Lapis Bead ( 10mm )</P> <BR clear=left><BR><P><A HREF=http://store.unconventionallapidarist.com/Product18922 TITLE="Lapis Bead"><IMG SRC="https://store.nexternal.com/lapidarist/images/t_lapsbead1038.jpg" ALIGN=left ALT="Lapis Bead" NAME="Lapis Bead" BORDER=0></A> <A HREF=http://store.unconventionallapidarist.com/Product18922 TITLE="Lapis Bead">Lapis Bead</A> -- <STRIKE>$12.00</STRIKE> <font color=black><B>$8.40</B></font> -- Lapis Bead ( 10mm )</P> <BR clear=left><BR><P><A HREF=http://store.unconventionallapidarist.com/Product18923 TITLE="Lapis Bead"><IMG SRC="https://store.nexternal.com/lapidarist/images/t_lapsbead1039.jpg" ALIGN=left ALT="Lapis Bead" NAME="Lapis Bead" BORDER=0></A> <A HREF=http://store.unconventionallapidarist.com/Product18923 TITLE="Lapis Bead">Lapis Bead</A> -- <STRIKE>$12.00</STRIKE> <font color=black><B>$8.40</B></font> -- Lapis Bead ( 10mm )</P> <BR clear=left><BR><P><A HREF=http://store.unconventionallapidarist.com/Product18925 TITLE="Lapis Bead"><IMG SRC="https://store.nexternal.com/lapidarist/images/t_lapsbead1041.jpg" ALIGN=left ALT="Lapis Bead" NAME="Lapis Bead" BORDER=0></A> <A HREF=http://store.unconventionallapidarist.com/Product18925 TITLE="Lapis Bead">Lapis Bead</A> -- <STRIKE>$12.00</STRIKE> <font color=black><B>$8.40</B></font> -- Lapis Bead ( 10mm )</P> <BR clear=left><BR><P><A HREF=http://store.unconventionallapidarist.com/Product18927 TITLE="Lapis Bead"><IMG SRC="https://store.nexternal.com/lapidarist/images/t_lapsbead1043.jpg" ALIGN=left ALT="Lapis Bead" NAME="Lapis Bead" BORDER=0></A> <A HREF=http://store.unconventionallapidarist.com/Product18927 TITLE="Lapis Bead">Lapis Bead</A> -- <STRIKE>$12.00</STRIKE> <font color=black><B>$8.40</B></font> -- Lapis Bead ( 9mm )</P> <BR clear=left><BR><P><A HREF=http://store.unconventionallapidarist.com/Product18928 TITLE="Lapis Bead"><IMG SRC="https://store.nexternal.com/lapidarist/images/t_lapsbead1044.jpg" ALIGN=left ALT="Lapis Bead" NAME="Lapis Bead" BORDER=0></A> <A HREF=http://store.unconventionallapidarist.com/Product18928 TITLE="Lapis Bead">Lapis Bead</A> -- <STRIKE>$12.00</STRIKE> <font color=black><B>$8.40</B></font> -- Lapis Bead ( 9mm )</P> <BR clear=left><BR><P><A HREF=http://store.unconventionallapidarist.com/Product18929 TITLE="Lapis Bead"><IMG SRC="https://store.nexternal.com/lapidarist/images/t_lapsbead1045.jpg" ALIGN=left ALT="Lapis Bead" NAME="Lapis Bead" BORDER=0></A> <A HREF=http://store.unconventionallapidarist.com/Product18929 TITLE="Lapis Bead">Lapis Bead</A> -- <STRIKE>$12.00</STRIKE> <font color=black><B>$8.40</B></font> -- Lapis Bead ( 9mm )</P> <BR clear=left><BR><P><A HREF="http://store.unconventionallapidarist.com" TITLE="Unconventional Lapidarist Products">Unconventional Lapidarist Products</A></P> <BR clear=left><BR><BR><BR><BR> <BR><A 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