我在海边捡的一块蓝色半透明的石头。和我发的图片一样。但形状不一样。请问这是什么石头。。。http://images.google.cn/imglanding?imgurl=http://farm3.static.flickr.com/2613/3734400333_774d2191b4_o.jpg&imgrefurl=http://www.wretch.cc/blog/WretchFood/12179368&usg=__owosi3IjFd9nw9kuYxUOB9iiC9A%3D&h=386&w=373&sz=20&hl=zh-CN&um=1&tbnid=0dmaHzcNQT889M:&tbnh=123&tbnw=119&prev=/images%3Fq%3D%25E9%2580%258F%25E6%2598%258E%25E7%259A%2584%25E7%259F%25B3%25E5%25A4%25B4%26ndsp%3D20%26hl%3Dzh-CN%26client%3Dpub-2244375713002593%26prog%3Daff%26sa%3DN%26start%3D100%26um%3D1%26newwindow%3D1&q=%E9%80%8F%E6%98%8E%E7%9A%84%E7%9F%B3%E5%A4%B4&ndsp=20&client=pub-2244375713002593&prog=aff&sa=N&start=98&um=1&newwindow=1#start=102
上面网站要全部复制起打开才能看到图片。不要直接点击。直接点击看不到