Crystal Secrets
Crystal Secrets
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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。
无色水晶以晶莹美丽、洁净透明着称。衡量无色水晶主要看它的纯度，越纯、越透明越好。干净的、无瑕疵的、杂质少的价值就高。无色的水晶如果很脏，就没有利用价值。
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。
Fig. 7: A template-directed tactic can control The position of setting up blocks over a surface during the development of complex buildings.
. These four constructions comprise the vast majority of binary crystals with equivalent numbers of cations and anions.
Clever Vocabulary: linked phrases and phrases Glass blower blowpipe bulletproof glass Slash glass fibreglass frosted glassware glaze glazed glazier glazing prism prismatic punty Pyrex reglaze unglazed vitreous vitrification vitrify See extra final results » It's also possible to find connected phrases, phrases, and synonyms while in the subjects:
Crystals search exclusive from a number of other rocks and minerals, but �?barring a number of Specific instances �?nearly all minerals hide a crystalline composition underneath the area.
26Some of the best ingesting Eyeglasses are made out of lead crystal.一些最精致的酒杯是用铅晶质玻璃制成的。《柯林斯英汉双解大词典》
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。
Crystals with evident flat faces are identified as euhedral crystals, when Individuals missing described faces are referred to as anhedral crystals. Crystals consisting of purchased arrays of atoms that aren't often periodic are termed quasicrystals.
16I check here opened the box and noticed a piece of crystal snowflake and a greeting card with "Content 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。
水晶的价值还与块体大小有关，同样的颜色和净度级别，块越大越难得。有时候质量级别虽然低一些，但块体够大，也可能价格高于高级别的小晶体
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。
The C60 molecules, also referred to as buckyballs, are really potent and Pretty much incompressible. Crystals are shaped these kinds of the balls are arranged within an fcc lattice having a one-nanometre spacing among the centres of adjacent balls. The similar C70 molecule has the shape of the rugby ball; C70 molecules also kind an fcc crystal when stacked together. The strong fullerenes type molecular crystals, with weak binding—supplied by van der Waals interactions—among the molecules.