Rumored Buzz on Crystal
Rumored Buzz on Crystal
Blog Article
其它描述：《庶物异名疏》中说： �?水精出大秦国，一名黎�?�?。结晶完整的水晶晶体，就如参差交错的马齿，所以人们又叫它马牙石。先民们最早用它研磨成眼镜片，因而送它一个眼镜石的绰号。水晶有通称，也有俗称。广州一带称水晶叫晶玉，又名鱼脑冻；江苏东海县山民发现水晶会 �?窜火�?�?，于是给它起个放光石的俗名。世间一物多名，不足为奇，而像水晶拥有这么多的别称，实不多见。瞧，从水玉、水碧、白玉、玉瑛、水精石英、黎难、晶玉到菩萨石、马牙石、眼镜石、放光石、千年冰、高山冻、鱼脑冻等等，简直构成一部奇石鉴赏史。
the stable state of many basic substances, which have a regular form and surfaces organized in very similar styles
一般而言，紫晶和黄晶是水晶中价值较高的品种。两者进一步的分级是据其颜色的深浅，颜色较深的为A级，稍浅的为B级。一般颜色较深的价格高，但要以不深暗为标准。颜色包括两种，一种是水晶本身的颜色，另一种是内部包裹体的颜色。水晶本身的颜色要艳丽、纯正，分布要均匀，不能太深或太浅，如澳州玉、蓝玉髓、紫晶、黄水晶，其价格就高。无色的水晶内含包裹体的颜色艳丽，其价格也高，如钛晶、绿幽灵、红兔毛。紫水晶一般以稍有云状物、颜色深紫、晶体通透的为上品。
Tetragonal: These crystals variety prisms and double pyramids. The composition is like a cubic crystal, other than one particular axis is for a longer time than the other.
《全唐诗》卷七八五载《白雪歌》：“鸟啄冰潭玉镜开，风敲檐溜水晶折。”
, has a similar composition, but There's two decisions for choosing the holes that the atoms will occupy. The third layer may be positioned about the atoms of the very first layer, producing an alternate layer sequence A
Add to phrase checklist Insert to word list [ C/U ] transparent rock that appears like ice, or simply a piece of it
损伤是指水晶由于加工或不小心摔掉、碰撞等原因，人为造成的损坏。它可以是破口，也可以是凹坑等。
Metallic Crystals: Metals frequently variety metallic crystals, the place a number of the valence electrons are free to maneuver all through the lattice. Iron, one example is, can form different metallic crystals.
22Working from what The usa presently is aware about itself, the bureau's professionals along with other demographers offer an irresistible, if clouded, crystal ball among the their visions.
被主体水晶所捕获的包裹体。原生包裹体通常为固相，形态较规则。水晶中典型的原成包裹体有金红石、电气石、黄铁矿等，也会见到岩石碎屑或集合体。
Fig. 1: Schematic of crystal formation from setting up blocks composed of a particle Main along with a shell of DNA ligands connected on the particle area.
The structure on the sodium atoms by yourself, or even the chlorine atoms alone, is fcc and defines the device cell. The sodium chloride structure Therefore is built up of two interpenetrating fcc lattices. The cesium chloride lattice (Determine 3A) relies around the bcc composition; each other atom is cesium or chlorine. In cases like this, the device cell can be a cube. The third critical composition click here for AB
⑥白色的包裹体有蚀变的绿泥石、云母、愈合裂隙、水晶、方解石、透闪石等。