5 Essential Elements For Crystal
5 Essential Elements 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。
12He tried out again in many other towns and succeeded with Crystal Caramels.他又在其他几个城市再次尝试，并成功制出了水晶焦糖。
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。
Significant crystals of diamond are useful gemstones. The crystal has other appealing properties; it's the best seem velocity of any solid and is the greatest conductor of warmth. Other than diamond, one other widespread kind of carbon is graphite, which happens to be a layered substance. Each carbon atom has 3 coplanar in close proximity to neighbours, forming an arrangement known as the honeycomb lattice. Three-dimensional graphite crystals are obtained by stacking equivalent layers.
25If you are a Billy Crystal fan, you are going to appreciate this movie.如果你是比利·克里斯特尔的影迷，你就会喜欢这部电影。《柯林斯英汉双解大词典》
Intelligent 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 a lot more effects » You may also obtain related words, phrases, and synonyms while in the matters:
解理：无解理。所谓解理是指矿物被打击时，沿一定方向有规则地裂开形成光滑平面的性质。根据解理的程度可以分为五类：极完全解理、完全解理、中等解理、不完全解理和无解理，水晶属于无解理。
The elements are discovered in a variety of crystal packing arrangements. The most common lattice constructions for metals are Individuals acquired by stacking the atomic spheres into essentially the most compact arrangement.
第三种是“皮景”，因某些其他的矿物与水晶体共生，或由于其他的物质侵蚀而依附于水晶表面，或者是水晶受自然环境的影响，在水晶表面出现蚀象，形成了一些景象或图案，这种景观存在于水晶表面。
多色�?无色水晶没有多色性。有色水晶有弱到强的多色�?表现为体色的不同深浅。
用手去触摸水晶，天然水晶通常温度要比人造水晶的要凉的多；用眼观察，天然水晶通常有棉絮状的包裹体，这个是人造水晶所没有的。
Orthorhombic: These are definitely rhombic prisms and dipyramids that resemble tetragons read more but without sq. cross-sections.
在透明的水晶中，隐裂纹呈亮晶晶的片状，有时还会有晕彩效应。这些裂纹是水晶在生长过程中，遇到外力挤压而在内部产生的一些隐形裂纹，隐裂纹在芙蓉石、紫水晶、白水晶球及白水晶柱中都很常见。有的裂纹后来被物质填充，形成愈合的裂纹，也就是原来的裂纹又长住了。这种裂纹对水晶的影响相对要小一些。
Tetragonal �?Characterized by 3 mutually perpendicular axes, two of which might be equivalent in duration, whilst the third is for a longer time or shorter and perpendicular to another two.