The 5-Second Trick For Crystal
The 5-Second Trick For Crystal
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Calcite crystals are sometimes used in optical tools, as well as the graphite in pencil direct are sheets of crystals that in essence split apart layer by layer to jot down. Silica can form silicate crystals which happen to be The idea for quartz, mica, olivine, and all kinds of other crystals and minerals.
An additional exciting, and delicious, experiment is usually to variety big crystals using sugar. By heating sugar with water and then allowing this Answer evaporate on sticks, you are able to variety rock sweet from sugar crystals!
晶及其石英岩类玉石是中低档宝玉石，虽比不上钻石、红蓝宝石的高贵，但在加工中如果构思巧妙而且加工精细，同样具有很高的价值。如中国传统的玛瑙“虾盘”、“龙盘”、“水漫金山�?水胆玛瑙摆件)都被誉为国家级宝玉石。
Most sound products found in character exist in polycrystalline form in lieu of as just one crystal. They are actually made up of a lot of grains (tiny crystals) packed alongside one another to fill all Room. Each specific grain has a unique orientation than its neighbours. Although extended-vary order exists inside of one grain, on the boundary amongst grains, the buying modifications way. An average piece of iron or copper (Cu) is polycrystalline.
Crystalline framework is characterized by a geometrical, repeating sample of symmetric molecular construction. The arrangement of atoms forms these purchased, repeating patterns.
Intelligent Vocabulary: linked words and phrases and phrases Glass blower blowpipe bulletproof glass Minimize glass fibreglass frosted glassware glaze glazed glazier glazing prism prismatic punty Pyrex reglaze unglazed vitreous vitrification vitrify See extra outcomes » You may also uncover connected phrases, phrases, and synonyms during the subjects:
⑦、镀彩：运用类似电镀的手法在水晶表面以不同的色彩，层面较薄，经摩擦可划伤�?；出现划痕，由于镀彩经常位于底部，因此在镀彩底部经常采用其它对象附着，如生肖文镇。
26Some of the read more finest drinking Eyeglasses are created 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》
Metallic Crystals: Metals typically type metallic crystals, where several of the valence electrons are free of charge to maneuver all through the lattice. Iron, as an example, can variety diverse metallic crystals.
英语-中文（简体） term #beta Beta /beta #preferredDictionaries ^chosen identify /chosen /preferredDictionaries
16I opened the box and saw a piece of crystal snowflake plus a greeting card with "Delighted Birthday" from the blank paper.我打开盒子并看见在白纸中有一片水晶雪花和一张写着“生日快乐”的贺卡。
Crystallography would be the research of crystals, and it offers with every little thing from fantastic geometric designs to seemingly random conglomerations of particles and minerals.
压电性：水晶晶体受到压力时会产生电荷；反之，受到电压作用时，晶体会产生频率很高的振动。水晶具有可使压力与电荷相互转移的性能，称压电性。
Wise Vocabulary: relevant terms and phrases Geology: mineralogy beneficiation crystalline deposit gemologist gemology gold dust graphite idiomorphic intercrystalline like gold dust idiom magnesium mineral nugget pyrite quasicrystal seam silicon unmined vermiculite vulcanicity See more benefits » You can even locate connected phrases, phrases, and synonyms within the subject areas: