轴性、光性：一轴晶正光性。正交偏光下所看到的一轴晶干涉图是独特的，其黑十字臂未达中心，形成中空的图案，俗称牛眼干涉图。中心部分通常为淡绿色或淡粉色。
A essential thought in crystal buildings may be the device cell. It is the smallest device of quantity that enables identical cells to generally be arranged together to occupy all accessible Room. The geometrical basis of all crystals would be the lattice. A lattice is often viewed as a daily and infinite arrangement of details or atoms, where Just about every stage or atom has The same bordering natural environment.
10This is definitely the silicon chip—a little bit chip of silicon crystal.这是硅芯片——一个硅晶体的小芯片。
We've published about above three hundred stones within the mineral kingdom! Read about each stone's special origin, record, and energies down below.
2She was wearing a strand of crystal beads.她戴着一串水晶珠子。《柯林斯英汉双解大词典》
Not all crystals kind in h2o, but almost all crystals type the exact same way, atoms come alongside one another and turn into a uniformed cluster. The process usually takes as very little as a couple of days to perhaps a thousand years. Organic crystals that come from the Earth sort the same way.
对任何宝石来说，颜色都是非常重要的，水晶也不例外。如果是水晶晶体是有颜色的，如粉水晶、黄水晶、紫水晶等，其颜色评价的最高标准则是明艳动人，不带有灰色、黑色、褐色等其他色调。如粉水晶，颜色以粉红为佳；紫水晶，要求颜色为鲜紫，纯净不发黑；黄水晶，要求颜色不含绿色、柠檬色调，以金橘色为佳。对于发晶来说，晶体的颜色也是很重要的。相同发丝的金发晶，晶体完全无色（白水晶）和晶体略偏茶色，肉眼的视觉观感也是有差别的，所以前者的价格会高于后者。
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13Nearly all desktops consist of a quartz-crystal clock to regulate their operation.几乎所有的计算机都有一个石英晶体时钟来调节它们的运行。
The definition of a solid appears clear; a strong is mostly thought of as getting hard and agency. Upon inspection, nonetheless, the definition results in being considerably less uncomplicated. A cube of butter, by way of example, is hard after currently being saved in a very fridge and is Obviously a stable. Following remaining around the kitchen area counter for daily, a similar cube becomes rather soft, and it's unclear When the butter must even now be regarded as a stable.
16I opened the box and observed a piece of crystal snowflake along with a greeting card with "Content Birthday" inside 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 just renowned for their Actual physical overall look, but unique crystals of different elements and formations may end up in a vast variety of takes advantage of and Bodily Attributes.
crystal, any good materials by which the ingredient atoms are arranged in a very definite pattern and whose surface regularity displays its inside symmetry.
水晶的价值根据品质、块体的大小、美感和产量多少的不同相差较大。遇到好的天然水晶要敢于下手，但好的水晶一般大家都想得到，值与不值，就要看经验了。由于天然水晶的开采和制作原因，没有瑕疵的水晶很难得到，纯净的饰品要达到与合成水晶媲美的品质，实在是很难得。另外，由于水晶的特性，在佩戴过程中，也会改变其等级，比如因为某种原因，有可能会逐渐产生较大裂纹。