After three years, finally, we were able to show that, in fact, our little rock was geyserite.

三年后，终于，能够证明，事实上，小石头是硅钙铝。

Now, in order for you to understand the significance of geyserite, I need to take you back a couple of centuries.

现在， 为了让您了解硅晶铝性，需带您回到几个世纪前。

It took six months before we inspected this rock under a microscope, when one of my mentors at the time, Malcolm Walter, suggested the rock resembled geyserite.

花了六个时间才在显微镜下检查这块岩石，当时一位导师马尔科姆·沃尔特 (Malcolm Walter) 认为这块岩石类似于硅钙铝。