17These rings are indicative from the crystal structure of nickel and might be discussed only by invoking wavelike Homes of sunshine.这些光圈表明了了镍的晶体结构，而且只能通过光线中波的特征来解释。
Yet another entertaining, and tasty, experiment is usually to kind significant crystals using sugar. By heating sugar with water after which you can letting this Resolution evaporate on sticks, you could form rock candy from sugar crystals!
Chemical Bonds The kinds of chemical bonds fashioned among atoms or teams of atoms in crystals count on their dimension and electronegativity. There are actually four categories of crystals as grouped by their bonding:
If you need to see how crystals are formed, you could do some undertaking in the very very own kitchen area and find out the formation in the crystals arise along with your individual eyes . This can be done by putting a small quantity of desk salt into some standard faucet drinking water, wait 24 hours, and you may see awesome cubed formations. This occurs because the h2o is evaporating, which causes the atoms that make up the salt (the mineral) plus the water to return closer with each other.
How Crystals Type The process of forming a crystal is termed crystallization. Crystallization typically happens each time a sound crystal grows from the liquid or Alternative.
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30Three days went earlier, and I used to be astonished to discover it yet again: the many openings were sewed up by slender and white thread plus they seemed such as the ice crystal on Winter season's branches in the north.
Crystals is often grown less than reasonable problems from all ninety two The natural way occurring aspects except helium, and helium can be crystallized at lower temperatures through the use of 25 atmospheres of force.
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。
A crystal method refers back to the classification of crystals determined by the geometric arrangement and symmetry in their lattice structures. You will discover seven principal crystal methods:
16I opened the box and observed a piece of crystal snowflake in addition to 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。
国家还并未给天然水晶提供一个等级划分的具体标准，水晶品种繁杂，每一品种都有他不同的评判标准。
crystal, any reliable content by which the ingredient atoms are arranged in a definite pattern and whose surface area regularity displays its inner symmetry.
21You all understand how after you take a crystal prism and pass a beam of sunlight as a result of it, you can get a spectrum, which looks like a continual band of rainbow hues.