<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span class="text31"><span style="font-size: 12pt; font-family: 宋體; mso-hansi-font-family: Verdana; mso-ascii-font-family: Verdana;">石英是一種物理性質和化學性質均十分穩(wěn)定的礦產資源，石英的化學成分為</span></span><span class="text31"><span style="font-size: 12pt;" lang="EN-US"><span style="font-family: Verdana;">SiO2</span></span></span><span class="text31"><span style="font-size: 12pt; font-family: 宋體; mso-hansi-font-family: Verdana; mso-ascii-font-family: Verdana;">，晶體屬三方晶系的氧化物礦物，即低溫石英（</span></span><span class="text31"><span style="font-size: 12pt;" lang="EN-US"><span style="font-family: Verdana;">a-</span></span></span><span class="text31"><span style="font-size: 12pt; font-family: 宋體; mso-hansi-font-family: Verdana; mso-ascii-font-family: Verdana;">石英），是石英族礦物中分布較廣的一個礦物種。廣義的石英還包括高溫石英（</span></span><span class="text31"><span style="font-size: 12pt;" lang="EN-US"><span style="font-family: Verdana;">b-</span></span></span><span class="text31"><span style="font-size: 12pt; font-family: 宋體; mso-hansi-font-family: Verdana; mso-ascii-font-family: Verdana;">石英）。石英塊又名硅石，</span></span><span class="text31"><span style="font-size: 12pt;"><span style="font-family: Verdana;"> </span></span></span><span class="text31"><span style="font-size: 12pt; font-family: 宋體; mso-hansi-font-family: Verdana; mso-ascii-font-family: Verdana;">主要是生產石英砂</span></span><span class="text31"><span style="font-size: 12pt;" lang="EN-US"><span style="font-family: Verdana;">(</span></span></span><span class="text31"><span style="font-size: 12pt; font-family: 宋體; mso-hansi-font-family: Verdana; mso-ascii-font-family: Verdana;">又稱硅砂</span></span><span class="text31"><span style="font-size: 12pt;" lang="EN-US"><span style="font-family: Verdana;">)</span></span></span><span class="text31"><span style="font-size: 12pt; font-family: 宋體; mso-hansi-font-family: Verdana; mso-ascii-font-family: Verdana;">的原料，</span></span><span class="text31"><span style="font-size: 12pt;"><span style="font-family: Verdana;"> </span></span></span><span class="text31"><span style="font-size: 12pt; font-family: 宋體; mso-hansi-font-family: Verdana; mso-ascii-font-family: Verdana;">也是石英耐火材料和燒制硅鐵的原料。石英砂巖，主要成份為石英，密度為每平方厘米</span></span><span class="text31"><span style="font-size: 12pt;" lang="EN-US"><span style="font-family: Verdana;">2.65</span></span></span><span class="text31"><span style="font-size: 12pt; font-family: 宋體; mso-hansi-font-family: Verdana; mso-ascii-font-family: Verdana;">克</span></span><span class="text31"><span style="font-size: 12pt; font-family: 宋體; mso-hansi-font-family: Verdana; mso-ascii-font-family: Verdana;">，莫氏硬度為</span></span><span class="text31"><span style="font-size: 12pt;" lang="EN-US"><span style="font-family: Verdana;">7</span></span></span><span class="text31"><span style="font-size: 12pt; font-family: 宋體; mso-hansi-font-family: Verdana; mso-ascii-font-family: Verdana;">，</span></span><span class="text31"><span style="font-size: 12pt;"><span style="font-family: Verdana;"> </span></span></span><span class="text31"><span style="font-size: 12pt; font-family: 宋體; mso-hansi-font-family: Verdana; mso-ascii-font-family: Verdana;">結晶屬于六萬晶體系，外觀成白色、青灰色、灰白色等。</span></span><span class="text31"><span style="font-size: 12pt;" lang="EN-US"></span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span style="font-size: 12pt; font-family: 宋體; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: "Times New Roman";">用于玻璃行業(yè)可制造各種平板玻璃、夾絲玻璃、壓花玻璃、空心玻璃、泡沫玻璃、玻璃磚、各類包裝瓶罐，玻璃器皿如：啤酒瓶、玻璃杯、保溫瓶及裝飾品，可以制造光學玻璃，玻璃儀器，玻璃纖維，導電玻璃，玻璃不及防射線特種玻璃。鑄造行業(yè)用于造型用沙。冶金行業(yè)可作冶煉添加劑，熔劑及各種硅鐵合金。耐火材料行業(yè)可作窯用高溫磚，普通磚及耐火材料等。水泥行業(yè)可作沙子水泥配料，加氣混凝土，普通制品等?；瘜W工業(yè)可制造水玻璃、硅膠、干燥劑，石油精煉催化劑。制造外墻涂料，馬路畫線漆，<span style="color: #333333;">塑料填充</span>等。</span><span style="font-size: 12pt;" lang="EN-US"></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span style="font-size: 12pt; font-family: 宋體; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: "Times New Roman";">規(guī)格：</span><span style="font-size: 12pt;" lang="EN-US">8-10</span><span style="font-size: 12pt; font-family: 宋體; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: "Times New Roman";">目、</span><span style="font-size: 12pt;" lang="EN-US">10-20</span><span style="font-size: 12pt; font-family: 宋體; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: "Times New Roman";">目、</span><span style="font-size: 12pt;" lang="EN-US">20-40</span><span style="font-size: 12pt; font-family: 宋體; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: "Times New Roman";">目、</span><span style="font-size: 12pt;" lang="EN-US">40-60</span><span style="font-size: 12pt; font-family: 宋體; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: "Times New Roman";">目、</span><span style="font-size: 12pt;" lang="EN-US">60-80</span><span style="font-size: 12pt; font-family: 宋體; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: "Times New Roman";">目、</span><span style="font-size: 12pt;" lang="EN-US">80-120</span><span style="font-size: 12pt; font-family: 宋體; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: "Times New Roman";">目、</span><span style="font-size: 12pt;" lang="EN-US">100</span><span style="font-size: 12pt; font-family: 宋體; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: "Times New Roman";">目、</span><span style="font-size: 12pt;" lang="EN-US">200</span><span style="font-size: 12pt; font-family: 宋體; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: "Times New Roman";">目、</span><span style="font-size: 12pt;" lang="EN-US">325</span><span style="font-size: 12pt; font-family: 宋體; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: "Times New Roman";">目、</span><span style="font-size: 12pt;" lang="EN-US">400</span><span style="font-size: 12pt; font-family: 宋體; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: "Times New Roman";">目、</span><span style="font-size: 12pt;" lang="EN-US">600</span><span style="font-size: 12pt; font-family: 宋體; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: "Times New Roman";">目、</span><span style="font-size: 12pt;" lang="EN-US">800</span><span style="font-size: 12pt; font-family: 宋體; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: "Times New Roman";">目、</span><span style="font-size: 12pt;" lang="EN-US">1250</span><span style="font-size: 12pt; font-family: 宋體; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: "Times New Roman";">目</span><strong style="mso-bidi-font-weight: normal;"><span style="font-size: 12pt;" lang="EN-US"></span></strong></p>