New Step by Step Map For Crystal
New Step by Step Map For Crystal
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对这类水晶晶簇观赏石的欣赏与评价，主要是强调晶体的完整、品种的名贵（如紫水晶、烟晶、发晶等）、造型奇特、含有名贵晶体（如辰砂、辉锑矿等）伴生等。晶簇产于矿床晶洞中，长相完美的并不多见，要完整无损地采集下来，又比较困难，故而采集起来代价较大，精品晶簇价值也就昂贵了。
水晶原石观赏石充分体现了天然水晶的本质，经过抛光的水晶原石观赏石，玲珑剔透、晶莹璀璨，独具匠心的设计，恰到好处地显露出水晶的魅力。如果您想单纯的欣赏水晶，水晶原石观赏石是你的不二之选，给人一种返璞归真的感觉。
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。
Fig. 3: A library of lattice symmetries can be accessed by switching the particle core and DNA shell.
2She was carrying a strand of crystal beads.她戴着一串水晶珠子。《柯林斯英汉双解大词典》
Lattices might have just one lattice stage for every cell or multiple, yielding a complete of fourteen Bravais crystal lattice sorts. Bravais lattices, named for physicist and crystallographer Auguste Bravais, describe the a few-dimensional array made by a list of discrete factors.
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Crystals are practically nothing a lot more than an purchased arrangement of molecules or atoms. Crystals are available a variety of sizes and styles, and every one has different characteristics. What they are created of decides how it will variety.
Q.four. What's the distinction between atomic composition and crystal framework? Ans. The first distinction between atomic composition and crystal composition lies within their definitions: atomic construction refers to more info how atoms are organized within a single molecule or possibly a cluster of molecules, Whilst crystal structure considerations the specific arrangement of atoms in just a solid substance.
22Working from what The us now appreciates about itself, the bureau's gurus as well as other demographers offer you an irresistible, if clouded, crystal ball between their visions.
16I opened the box and saw a piece of crystal snowflake in addition to a greeting card with "Content 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。
Crystals are not only renowned for their Actual physical appearance, but various crystals of different elements and formations may result in a vast assortment of takes advantage of and Bodily Homes.
玉石纹理如果能形成美丽的花纹、图案，其价格就高，如玛瑙内红白相间的色带有规律地排列，形成缠丝玛瑙时，碧玉中的不均匀颜色形成一种风景图案时，材料的价值将提高。当水晶内包裹体形成美丽的图案时，如幽灵水晶、风景水晶，或者针状包裹体呈束状排列时，其价值都高于普通的水晶。图案越美观、越有意境越好。
This crystal framework is responsible for the exceptional Actual physical and chemical Qualities of sodium chloride, including its high melting stage, electrical conductivity, and skill to variety ionic bonds easily.