<h3>今天我们来到了长沙博物馆，让我们一起走进去看看吧！</h3> <h3 style="orphans: 2; text-align: justify; widows: 2; ">这是礼贤江山龙：<span style="color: rgb(51, 51, 51); font-family: "Helvetica Neue", Helvetica, STHeiTi, "Microsoft YaHei"; font-size: 16.96px; white-space: normal; line-height: 1.8; background-color: rgb(251, 251, 251);">它长约20米，是迄今为止浙江发现的最大、最完整的蜥脚类恐龙，也是我国巨龙科的首次发现。</span><span style="color: rgb(34, 34, 34); font-family: "PingFang SC", Arial, "\\5FAE软雅黑", "\\5B8B体", simsun, sans-serif; font-size: 17.28px; font-variant-ligatures: normal; orphans: 2; text-align: justify; white-space: normal; widows: 2; background-color: rgb(248, 248, 248);"></span></h3> <h3>这是中国东阳龙，<span style="color: rgb(51, 51, 51); font-family: Arial, Helvetica, sans-serif; font-variant-ligatures: normal; orphans: 2; white-space: normal; widows: 2;">中国东阳龙是指国际权威专业杂志《</span><a data-lemma-id="7779369" target="_blank" href="https://baike.sogou.com/m/fullLemma?lid=7779369&g_ut=3" class="wireless_inner_link" style="color: rgb(51, 102, 204); border: 0px; font-family: Arial, Helvetica, sans-serif; font-variant-ligatures: normal; orphans: 2; white-space: normal; widows: 2;">地质学报</a><span style="color: rgb(51, 51, 51); font-family: Arial, Helvetica, sans-serif; font-variant-ligatures: normal; orphans: 2; white-space: normal; widows: 2;">》，公开发表《浙江东阳晚白垩世早期一新的巨龙形类恐龙》一文后，正式把东阳发现的恐龙新属新种命名为“中国东阳龙”，这就意味着如果世界上其它地方发现同种</span><a data-lemma-id="192089" target="_blank" href="https://baike.sogou.com/m/fullLemma?lid=192089&g_ut=3" class="wireless_inner_link" style="color: rgb(51, 102, 204); border: 0px; font-family: Arial, Helvetica, sans-serif; font-variant-ligatures: normal; orphans: 2; white-space: normal; widows: 2;">恐龙化石</a><span style="color: rgb(51, 51, 51); font-family: Arial, Helvetica, sans-serif; font-variant-ligatures: normal; orphans: 2; white-space: normal; widows: 2;">，都将归入到这个种类，也必须称之为“中国东阳龙”。</span><span style="line-height: 30.6px;"></span></h3> <h3>我们来到了展览厅，让我们一起来看看吧！</h3> <h3>这是粉色方解石：<span style="color: rgb(51, 51, 51); font-family: Arial, Helvetica, sans-serif; line-height: 29px; orphans: 2; white-space: normal; widows: 2;">表面生长着层层堆积像钱币状的圆型晶体，寓意着财源滚滚，石来运转。色彩瑰丽多姿，华光闪烁，特别是独特艳粉红色彩和较强的宝石光泽，晶莹亮丽，并透出温存荡漾的祥瑞喜悦之情。</span></h3><p style="margin-bottom: 15px; padding-right: 17px; padding-left: 17px; border: 0px; line-height: 29px; color: rgb(51, 51, 51); font-family: Arial, Helvetica, sans-serif; font-variant-ligatures: normal; orphans: 2; white-space: normal; widows: 2;">此宝石重达4吨，长2米，赋存于古生代二叠纪地层，距今有2.5亿年，形成于中生代燕山运动期。</h3> <h3>这是萤虫和石英。<span style="line-height: 29px; color: rgb(51, 51, 51); font-family: Arial, Helvetica, sans-serif; orphans: 2; white-space: normal; widows: 2;">萤石：又称</span><a data-lemma-id="8323301" target="_blank" href="https://baike.sogou.com/m/fullLemma?lid=8323301&g_ut=3" class="wireless_inner_link" style="line-height: 29px; font-family: Arial, Helvetica, sans-serif; orphans: 2; white-space: normal; widows: 2; color: rgb(51, 102, 204); border: 0px;">氟石</a><span style="line-height: 29px; color: rgb(51, 51, 51); font-family: Arial, Helvetica, sans-serif; orphans: 2; white-space: normal; widows: 2;">，是一种矿物，其主要成分是</span><span style="line-height: 29px; color: rgb(51, 51, 51); font-family: Arial, Helvetica, sans-serif; orphans: 2; white-space: normal; widows: 2;">，含杂质较多。其中的钙常被钇和铈等</span><a data-lemma-id="85551" target="_blank" href="https://baike.sogou.com/m/fullLemma?lid=85551&g_ut=3" class="wireless_inner_link" style="line-height: 29px; font-family: Arial, Helvetica, sans-serif; orphans: 2; white-space: normal; widows: 2; color: rgb(51, 102, 204); border: 0px;">稀土元素</a><span style="line-height: 29px; color: rgb(51, 51, 51); font-family: Arial, Helvetica, sans-serif; orphans: 2; white-space: normal; widows: 2;">替代，此外还含有少量的</span><a data-lemma-id="546316" target="_blank" href="https://baike.sogou.com/m/fullLemma?lid=546316&g_ut=3" class="wireless_inner_link" style="line-height: 29px; font-family: Arial, Helvetica, sans-serif; orphans: 2; white-space: normal; widows: 2; color: rgb(51, 102, 204); border: 0px;">Fe2O3</a><span style="line-height: 29px; color: rgb(51, 51, 51); font-family: Arial, Helvetica, sans-serif; orphans: 2; white-space: normal; widows: 2;">、SiO2和微量的Cl、O3和He等。自然界中的萤石常显鲜艳的颜色，硬度比小刀低。萤石可以用于制备</span><a data-lemma-id="2220868" target="_blank" href="https://baike.sogou.com/m/fullLemma?lid=2220868&g_ut=3" class="wireless_inner_link" style="line-height: 29px; font-family: Arial, Helvetica, sans-serif; orphans: 2; white-space: normal; widows: 2; color: rgb(51, 102, 204); border: 0px;">氟化氢</a><span style="line-height: 29px; color: rgb(51, 51, 51); font-family: Arial, Helvetica, sans-serif; orphans: 2; white-space: normal; widows: 2;">：CaF2+</span><a data-lemma-id="115547" target="_blank" href="https://baike.sogou.com/m/fullLemma?lid=115547&g_ut=3" class="wireless_inner_link" style="line-height: 29px; font-family: Arial, Helvetica, sans-serif; orphans: 2; white-space: normal; widows: 2; color: rgb(51, 102, 204); border: 0px;">H2SO4</a><span style="line-height: 29px; color: rgb(51, 51, 51); font-family: Arial, Helvetica, sans-serif; orphans: 2; white-space: normal; widows: 2;">→</span><a data-lemma-id="1796844" target="_blank" href="https://baike.sogou.com/m/fullLemma?lid=1796844&g_ut=3" class="wireless_inner_link" style="line-height: 29px; font-family: Arial, Helvetica, sans-serif; orphans: 2; white-space: normal; widows: 2; color: rgb(51, 102, 204); border: 0px;">CaSO4</a><span style="line-height: 29px; color: rgb(51, 51, 51); font-family: Arial, Helvetica, sans-serif; orphans: 2; white-space: normal; widows: 2;">+ 2HF；它的折射率和色散极低，对红外线、紫外线的透过性能高，适合做光学元件。但天然萤石晶体往往不纯，混有杂质，而且体积不足以制造大型光学元件，所以人工结晶萤石成为了制造镜头所用低色散光元件的材料之一。</span></h3><h3><span style="line-height: 29px; color: rgb(51, 51, 51); font-family: Arial, Helvetica, sans-serif; orphans: 2; white-space: normal; widows: 2;"><br></span></h3><h3><span style="line-height: 29px; color: rgb(51, 51, 51); font-family: Arial, Helvetica, sans-serif; orphans: 2; white-space: normal; widows: 2;">石英石：</span><span style="color: rgb(51, 51, 51); font-family: Arial, Helvetica, sans-serif; orphans: 2; white-space: normal; widows: 2; line-height: 1.8;">通常我们说的石英石是一种由90%以上的石英晶体加上树脂及其他微量元素人工合成的一种新型石材。它是通过特殊的机器在一定的物理、化学条件下压制而成的大规格板材，它的主要材料是石英。 石英是一种受热或压力就容易变成液体状的矿物。也是相当常见的造岩矿物，在三大类岩石中皆有之。因为它在火成岩中结晶最晚，所以通常缺少完整晶面，多半填充在其他先结晶的造岩矿物中间。石英的成份是最简单的二氧化矽，玻璃光泽，没有解理面，但具贝壳状断口。微晶质的石英称为玉髓、玛瑙或碧玉。纯粹的石英是无色，但因常含有过渡元素的杂质而呈现不同的颜色。石英很安定，不容易风化或变化为他种矿物。按SiO2结晶程度可划分为显晶质的单晶石英，多晶石英岩玉。</span></h3> 这就是我的博物馆之旅了，虽然比较短暂但却让我回味无穷啊！<h3><br></h3>