看颜色：即使在同一种类的水晶中，它的不同部位的纹理、色泽也各式各有千秋。属于单色的，要色度均匀；在同一块水晶上有深浅的，则要求其色调纹路美观大方。
无色水晶以晶莹美丽、洁净透明着称。衡量无色水晶主要看它的纯度，越纯、越透明越好。干净的、无瑕疵的、杂质少的价值就高。无色的水晶如果很脏，就没有利用价值。
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。
Most reliable resources located in nature exist in polycrystalline type as an alternative to as just one crystal. They are actually made up of countless grains (little crystals) packed together to fill all House. Every single individual grain has a different orientation than its neighbours. Although extended-array buy exists within one particular grain, in the boundary between grains, the purchasing alterations route. A standard piece of iron or copper (Cu) is polycrystalline.
. These four structures comprise most of the binary crystals with equal quantities of cations and anions.
Good Vocabulary: similar terms and phrases Glass blower blowpipe bulletproof glass cut glass fibreglass frosted glassware glaze glazed glazier glazing prism prismatic punty Pyrex reglaze unglazed vitreous vitrification vitrify See more results » You can also uncover associated words, phrases, and synonyms inside the matters:
水晶内部有多种矿物包裹体，形成的各种景观可以肉眼观测，这样的水晶就是包裹体水晶观赏石。由于水晶本身就是宝石，因此人们称誉包裹体水晶为“宝石级的观赏石”。包裹体水晶观赏石都具有独特性，具有极高欣赏和收藏价值。
26Some of the finest drinking Eyeglasses are created from direct 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》
包裹体常见有固相、固液气三相组合、空洞以及双晶、色带等。水晶中典型的同生包裹体有自形的锐钛矿、气液两相包体等。
Crystals with apparent flat faces are referred to as euhedral crystals, even though Individuals lacking described faces are termed anhedral crystals. Crystals consisting of purchased arrays of atoms that aren't generally periodic are identified as quasicrystals.
看孔眼：对于缀穿水晶制品（如项链、手链、佛珠），要看孔眼是否平直，孔的粗细是否均匀，有无细小裂纹。孔壁必须清澈透明，无“白痕”。
Crystals are don't just renowned for his or her Bodily appearance, but various crystals of various supplies and formations may lead to an enormous range of employs and Actual physical Homes.
crystal, any strong materials during which the element atoms are arranged in the definite pattern and whose surface area regularity displays its inside symmetry.
The C60 molecules, also called buckyballs, are rather solid and Pretty much incompressible. Crystals are shaped such that the balls are arranged within an fcc lattice that has a one-nanometre spacing amongst the centres of adjacent balls. The very similar C70 molecule has the shape of a rugby ball; C70 molecules also sort an fcc crystal when stacked jointly. The good fullerenes type molecular crystals, with weak binding—supplied by check here van der Waals interactions—involving the molecules.