Like quartz, opal is made of silica.

同石英一样，欧泊由二氧化硅组成。

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

这是一种来自澳大利亚石，许多很棒石都来自澳大利亚。

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

它比绿宝石和石更珍贵。

I didn't realize that people didn't wear opals.

我没意识到人们不戴猫眼石。

And for their audacity, the earth rewarded them with a fist-sized, record-breaking opal.

因为他们大胆，地球奖励他们破记录、有拳头般大石。

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

这些小球状体分散了光线，赋予了欧泊最具特色五彩光泽。

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

其有些专家把猫眼石列为第五种宝石，而有些专家则认为珍珠才是第五种宝石。

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

法林托歇，他说，啊，是，我想起了那个案子，是一件和猫儿眼宝石女冠冕有关案子。

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，后成长为构成欧泊球状体。

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石光洁无比大理石。

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

骨头多孔材料被填充了小球体，基本上是石。

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骨骼都形成了欧泊。

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

最著名范本一便是一只昵称叫埃里克上龙，这是一只几乎完好保存在欧泊内部海洋爬行动物。

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

哈雷慧星石是个奇迹，但矛盾是，它独特性正是它最寻常处。

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

“就像钻石在相同环境杀死石一样”。

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

有极小比例珍贵石会在部分区域有大小一致矽珠形成整齐阵列。

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

石出人意料地诞生于一种随处可见资源当——水。

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

哈雷慧星石就是一亿年前左右在那里形成。

Opal -- - I never told my son.

奥珀尔 -我从没告诉我儿子。

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

这一天像火石一样炎热闷热。