Calcite crystals are often used in optical tools, as well as the graphite in pencil direct are sheets of crystals that fundamentally crack apart layer by layer to put in writing. Silica can variety silicate crystals that are The premise for quartz, mica, olivine, and all kinds of other crystals and minerals.

Another fun, and tasty, experiment is to kind big crystals working with sugar. By heating sugar with h2o after which you can permitting this Resolution evaporate on sticks, it is possible to sort rock candy from sugar crystals!

看做工：水晶制品加工过程分为两种，即磨工和雕工。如水晶项链、手链、耳环等属于研磨品；观音像、内画鼻烟壶等属于雕刻品。

③次生包裹体：指主体水晶形成后，由于环境的变化使得主晶周围的一些物质沿裂隙进入到其内部而形成的包裹体。形成的原因有出熔作用、裂隙的结晶化、以及放射性元素破坏的作用等。水晶典型的次生包裹体有胶花水晶中的氧化铁充填物等。

Crystalline composition is characterised by a geometric, repeating pattern of symmetric molecular composition. The arrangement of atoms varieties these ordered, repeating styles.

They'll finally make a pleasant tiny uniform cluster of atoms, This is certainly the process of rising crystals. The greater they could occur with each other, the more of the development might be noticeable to the naked eye. Researchers can figure out what mineral They can be looking at by how the crystals kind.

水晶的评价标准和高端宝石有所不同。多数高端宝石把颜色放在评价的第一位，而对水晶来说，颜色和净度（水晶行业称作晶体）是近乎同等重要的因素：

26Some of the finest consuming glasses are constructed from guide crystal.一些最精致的酒杯是用铅晶质玻璃制成的。《柯林斯英汉双解大词典》

水晶包裹体丰富多彩，从气体、液体到各种矿物质，甚至宝石，均可被包含于水晶内，各种包裹体所形成的景象更是变化万千。按照包裹体的内容，常把包裹体水晶分为一下八类：

英语-中文（简体） word #beta Beta /beta #preferredDictionaries ^chosen identify /picked /preferredDictionaries

All crystal ball crystal apparent copyright liquid crystal crystal lattice crystal construction liquid crystal Screen See all meanings Idioms and phrases crystal clear idiom

水晶形成后由于外力作用或某种人为原因使水晶产生大的裂隙或裂纹，这种裂纹有大有小，对水晶的影响也有大小之分。

水玉：中国最古老的称法叫水玉，意谓似水之玉，又说是 �?千年之冰所�?�?。唐代诗人温庭筠《题李处士幽居》写道：�?水玉簪头白角巾，瑶琴寂历拂轻�?”。水玉一词最早频繁出于《山海经》：�?又东三百里，日堂庭之�?…�?多水�?”；�?丹山出焉，东南流注于洛水，其中多水玉 ”；�?逐水出焉，北流注于渭，其中多水玉 ”。司马相如《上林赋》曰�?�?水玉磊河 �?。水晶得名水玉，古人是看�?�?其莹如水，其坚如�?�?的质地。

crystal Alteration is variable: absent in many crystals, in Some others creating dense sericite aggregates which may clearly show some recrystallization outcomes to produce coarser-grained white mica. From the Cambridge English Corpus The tridymite crystals are rectangular or wedge-formed and are occasionally arranged in aggregates. In the Cambridge English Corpus Additionally, haloarchaeal cells were embedded inside salt crystals below laboratory situations and subsequently analysed by light-weight microscopy. From the Cambridge English Corpus The white clouds (generally sparse) had been also commonly thought to be being made up of little crystals of h2o ice, relatively like cirrus within our ambiance. From your Cambridge English Corpus These are found in evaporite salt lakes and will be trapped in salt crystals through evaporation. From your Cambridge English Corpus As a result, the cells (organelles and membranes) are wrecked mechanically by ice crystals, resulting in death by mobile lysis. In the Cambridge get more info English Corpus The crystals have been used in the first or next orders of reflection. With the Cambridge English Corpus Inside our 8xperiments, the crystals had been cubes using a base location of 8 e mm. From your Cambridge English Corpus Vibration-assisted intermolecular hydrogen tunneling in photoreactive doped molecular crystals : result of temperature and tension.