Opalized fossils are most often found in Australia, along with most of the world's opal in general.

同世界上大多数的欧泊样，硅化化石也大多在澳大利亚被发现。

So this is an opal from Australia which is where a lot of the great opals come from.

这是种来自澳大利亚的蛋白石，许多很棒的蛋白石都来自澳大利亚。

Like quartz, opal is made of silica.

同石英样，欧泊由二氧化硅组成。

It is more precious than emeralds and dearer than fine opals.

它比绿宝石和蛋白石更珍贵。

Some of these experts include the opal as a fifth precious stone while others consider the pearl in this class.

其中有些专家把猫眼石列第五种宝石，而有些专家则认珍珠才是第五种宝石。

That porous material that was the bone got filled in with little spheres, opal, basically.

骨头的多孔材料被填充了球体，基本上是蛋白石。

These tiny spheres scatter light, giving opal its characteristic rainbow sheen.

这些球状体分散了光线，赋予了欧泊最具特色的五彩光泽。

Farintosh, said he. Ah yes, I recall the case; it was concerned with an opal tiara.

法林托歇，他说，啊，是的，我想起了那个案子，是件和猫儿眼宝石女冠冕有关的案子。

The tiny, mesmerizing percentage we call precious opals have regions where silica beads of uniform size form orderly arrays.

有极比例的珍贵蛋白石会在部分区域中有大的矽珠形成整齐的阵列。

So you've got, opals are made up with these little spheres of silica.

你可以看到，蛋白石是由这些硅石球组成的。

Nearer at hand, they are like huge blocks of purest marble inlaid with pearl and opal gems.

近了看则像是很多块镶着珍珠和蛋白石的光洁无比的的大理石。

And in rare cases, petrified wood, shells, teeth, and even bones of extinct organisms are made of opal.

在极少数情况下，木变石、贝壳、牙齿甚至是灭绝生物的骨骼都形成了欧泊。

Bits of silica settled into the gel and then grew into the spheres that make up opal.

少量二氧化硅沉淀在凝胶中，之后成长构成欧泊的球状体。

The Halley's Comet opal is a marvel, but its uniqueness is, paradoxically, the most usual thing about it.

哈雷慧星蛋白石是个奇迹，但矛盾的是，它的独特性正是它最寻常之处。

One of the most famous specimens is a pliosaur nicknamed Eric, an almost-complete marine reptile preserved in opal.

最著名的范本之便是只昵称叫埃里克的上龙，这是只几乎完好保存在欧泊内部的海洋爬行动物。

It was there that the Halley's Comet opal formed some 100 million years ago.

哈雷慧星蛋白石就是亿年前左右在那里形成的。

'As a diamond kills an opal in the same setting'.

“就像钻石在相同的环境中杀死蛋白石样”。

The vast majority of the time, this structure is haphazard, resulting in common, or potch, opals with unremarkable exteriors.

产生出普通无彩的蛋白石，只有平凡的外观。

It's there that an opal begins its life as something surprisingly abundant: water.

蛋白石出人意料地诞生于种随处可见的资源当中——水。

The day was as hot and sultry as a fire opal.

这天像火蛋白石样炎热闷热。