Under incredible pressure, the crystals within the quarts are deformed and actually fractured.

在极高压下，石英内部结晶变现破裂。

Shocked-quarts is a form of quartz that has a very different structure.

冲击石英是石英一种形式，有很不一样结构。

The form of the silica that makes sand, is exactly the same as the form that comprises quartz.

沙子形态化硅和成石英化硅其实是一样。

Silica, the mineral that makes up sand and quartz, also has lots of different polymorphs.

成砂砾和石英化硅也有许多不同多晶体。

Most of the petrified wood found in the park is made up of quartz.

公园里发现大部分石化木都是用石英成。

But unlike quartz, it doesn't have a crystal structure.

但同石英不同是，它并不具备晶体结构。

In fact the silica in sand is basically just tiny bits of quartz.

实际沙子里硅砂就是细碎石英。

The researchers also studied damage to the structure in ancient small pieces of quartz to produce an age estimate.

研究人员还研究了古代小块石英结构损坏以预估年代。

One section of its walls of grey Delhi quartzite had collapsed.

其中一段灰色德里石英岩墙已经倒塌。

You see a divide there between the rock and quartz, then right up there you can see the top of it.

你能看见岩石和石英分界线，就在面你能看见它顶端。

Quartz can be similarly priced and is “more durable and requires less maintenance.”

石英价格也差不多， 而且“更耐用， 需要更少维护” 。

Of course, not all beaches are purely quartz sand, and not all quartz sand ends up on beaches.

当然，并不是所有海滩都是纯粹石英砂，也不是所有石英砂最终都会出现在海滩。

The arrangement of silicon and oxygen in quartz is very regular and rigid.

硅和在石英晶体中排列是非常严格且有规律。

For example, we have Quartz Crystal clocks and watches accurate to within one minute a year.

例如，我们使用每年误差不超过1分钟石英水晶钟表和手表。

The nation’s largest silica sand provider — U.S. Silica — projects a 15 percent drop in demand.

美国最大石英砂生产商美国石英砂公司预计需求将下跌15%。

I've got some coral, some more quartz and stuff up there.

我在面有一些珊瑚，一些石英之类东西。

Quartz is so varied that tons of gems — like amethyst, chalcedony, agate, and citrine — are all made of silica.

石英种类太多，以至于大量宝石——如紫水晶、玉髓、玛瑙和黄水晶皆由化硅成。

Crystals of certain common minerals, like flint, which is a form of quartz, tend to trap electrons over time.

某些常见矿物晶体， 如石英一种形式燧石，随着时间推移往往会捕获电子。

And I love rose quartz and I have rose quartz next to my bed.

我喜欢蔷薇石英，我床边放着蔷薇石英。

This paper is a bit like a beautiful handmade automatic timepiece in the era of quartz watches.

这篇论文有点像是石英表时代里一块精美手工制作机械表。