市民在矿博会现场观赏化石、参与活动。
“就是这个感觉，倍儿爽!”志愿者陈煦东高举着手机欣喜若狂地冲出去兑现他期待已久的四等奖——开紫水晶球，十分钟后他捧着一个沉甸甸的水晶球回来，“我运气真好，看，好多晶体。”
5月18日，记者在矿博会现场看到，一楼科普活动区排着长长的队伍，旁边设置的微信大屏幕(又称微信墙)上，参观者发出的活动微信正即时呈现、快速更新。
据介绍，只要扫描二维码，将自己的参展心得、现场照片、意见建议等发送在大型微信墙上，每人皆可参与抽奖。一等奖每天5名，价值1000元的博览会纪念邮册1本;二等奖每天5名，价值780元的欧泊笔1支;三等奖10名，价值480元的《中国矿物及产地》 ;四等奖每天10名，现场开紫晶球名额一次。
此外，找三叶虫化石、砸水晶球、沙淘金、赌石等互动活动区也人满为患，体验区的市民都热情高涨。记者现场体验了砸三叶虫化石，需要非常大的力道。在一楼陨石展厅，一块世界顶尖陨石受到爱好者热捧，它来自空际碰撞，是石铁陨石的杂糅体，被中国陨石协会专家誉为“中国最顶尖的无价之宝”。
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