A sound is crystalline if it's lengthy-selection buy. When the positions of the atom and its neighbours are regarded at just one issue, the area of each atom is known specifically all over the crystal. Most liquids deficiency lengthy-array purchase, although lots of have quick-vary purchase. Small selection is described as the very first- or 2nd-closest neighbours of an atom. In lots of liquids the very first-neighbour atoms are arranged in a similar composition as while in the corresponding sound phase.
Bismuth (Bi) seems to generally be a metallic, but the amount of electrons available for electrical conduction is analogous to that of semiconductors. The truth is, bismuth is referred to as a semimetal. Molecular solids are generally crystals shaped from molecules or polymers. They may be insulating, semiconducting, or metallic, with regards to the variety of molecules in the crystal. New molecules are continuously getting synthesized, and lots of are made into crystals. The volume of diverse crystals is gigantic.
水晶文化历史悠久，古人曾赋予它一串极富美感的雅称：水玉、水精、水碧、石英等。
第一种是“全包裹体”，在水晶结晶的时候把这些物质包裹在晶体里面，这类包裹体所形成的各种景象，大多保持了水晶结晶时的原状，也就是说保存了几亿年的原状，极少受到自然环境的影响。
In addition there are quite a few elements that resemble crystals but are actually polycrystals. Polycrystals sort when microscopic crystals fuse together to kind a good. These elements do not consist of requested lattices.
Wise Vocabulary: similar words and phrases Glass blower blowpipe bulletproof glass Lower glass fibreglass frosted glassware glaze glazed glazier glazing prism prismatic punty Pyrex reglaze unglazed vitreous vitrification vitrify See more final results » You can even obtain connected words and phrases, phrases, and synonyms within the subjects:
光泽：玻璃光泽。断口处为油脂光泽。光泽，指宝石表面对光线反射的一种光学性质。观察水晶的光泽，可用手握着它，以灯光或窗户投进来的光线看表面反射，透明水晶亮度与光泽强弱有关。
②固体包裹体：指呈固态相存在包裹体，多因岩浆、热液、变质作用等形成的早期结晶物被水晶捕获而形成。
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晶体 Silicon crystals grown in a laboratory change light into electrical Electrical power. 在实验室中长成的硅晶体可将光线转变为电能。
16I opened the box and observed a piece of crystal snowflake and also a greeting card with "Delighted Birthday" while in 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。
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。
crystal, any solid materials by which the element atoms are arranged within a definite sample and whose floor regularity displays its inner symmetry.
水晶观赏石是天然水晶中最具代表的作品，具有其他宝石都不具备的观赏性。不论是玉石翡翠还是都要经过雕琢后次能体现他的价值，而水晶观赏石只需要将表面进行抛光，即展现出晶体内所包裹的物质，直接欣赏原汁原味的水晶石。