luda 玉璧，是一种中央有穿孔的扁平状圆形玉器，为我国传统的玉礼器之一，也是“六瑞”之一。
玉璧，是一种中央有穿孔的扁平状圆形玉器。穿孔称作“好”，边缘器体称作“肉”。《尔雅·释器》“肉倍好谓之壁，好倍肉谓之瑗，肉好若一谓之环”。一般把体形扁平、周边圆形、中央有孔且边大孔小的器物称为壁。考古发现，玉璧最早产生于距今约5、6千年前的新石器时代，一直到清朝，都有不同形制和纹饰的玉璧出现。玉璧的应用范围也极为广泛，既是权力等级的标志，也可用于佩戴，亦能作为随葬品，同时又是社会交往中的馈赠品或信物。
藏品介绍
中文名称：龙凤纹夜光石玉璧
英文名称：Jade jade with dragon and phoenix stripes
类别：玉器
规格：一面
品相：美品
夜光石一般指夜明珠：夜明珠是一种稀有的宝石，古称“随珠”、“悬珠”、“垂棘”、“明月珠”等。通常情况下所说的夜明珠是指荧光石、夜光石。
它是地球大地内的一些发光物质经过了几千万年，由最初的火山岩浆喷发，到后来的地质运动，集聚于矿石中而成，含有这些发光稀有元素的石头，经过加工，就是人们所说的夜明珠，常有黄绿、浅蓝、橙红等颜色，把荧光石放到白色荧光灯下照一照，它就会发出美丽的荧光，这种发光性明显的表现为昼弱夜强。此外，部分工艺品也利用萤石的特征制作一些冠以“夜明珠”名称的饰品。
“夜光石”是在黑暗中，人眼能明视的，天然的、能自行发光的珠宝。
这件玉璧的材质为夜光石是极为罕见的，其肉质有如猕猴桃的肉色，这正是夜光石的特征，由于极其名贵，一般用来制作成夜明珠，如原石较大的，也用来制作手镯戒子等，而制成玉璧的是极为少见。
可见这件龙凤纹夜光石玉璧这黑暗中，隐隐发光，是目前唯一能在黑暗中发光的珠宝，其稀有的特性，导致其称为传说中的稀世之宝，百姓难睹其物，而旷世其宝中，就有慈禧的夜明珠，可见其珍贵程度。
这件夜光石玉璧其纹饰工艺是仿古工艺，这面为如意勾云纹，形似两个雷纹相连，而祥云与如意结合的如意勾云纹，寓意着吉祥如意，另一面为龙凤纹，龙凤浮雕其上，立体感十足，而龙凤寓意着龙凤呈祥，自古就是美好爱情的象征，整个器型工艺古朴，触摸凹凸有致，不仅十分耐赏，且具有极高的收藏价值，是收藏中罕见的瑰宝。
英文翻译：Jade jade, a flat round jade ware with perforations in the center, is one of China's traditional jade wares, and is also one of the "Six Rui".
The jade piece is a round, flat jade piece with a hole in the center. The piercing is called "good" and the limber body is called "meat". Erya · Release device "the flesh is better called wall, the flesh is better called yuan, the flesh is better called ring". Generally, the flat shape, the periphery round, the center has a hole and the side big hole small utensils are called the wall. It is found that the jade round was first produced in the Neolithic Age about 5 or 6 thousand years ago. Until the Qing Dynasty, jade round of different shapes and patterns appeared. Jade is also a very wide range of applications, not only a symbol of the power level, but also can be used to wear, can also be used as funerary goods, but also in the social interaction of gifts or tokens.
The collection is introduced
Chinese name: Dragon and Phoenix grain luminous jade jade
Jade Jade with Dragon and Phoenix Stripes
Category: Jade
Specification: One side
Appearance: Beautiful
Luminous stone generally refers to the pearl of the night: the pearl of the night is a rare gem, known in ancient times as "with beads", "hanging beads", "hanging thorns", "moon beads" and so on. Usually said under the circumstances of the luminous pearl refers to the fluorescent stone, luminous stone.
It is of some of the luminescent material in the earth the earth tens of millions of years, from the original volcanic magma eruption, to the later geological movement, gathered in the ore, containing these luminescent rare elements of stone, after processing, is what people call water, often have color such as yellow, green, shallow blue, orange, put the fluorescent stone to take a white fluorescent light, it will send out the beauty of the fluorescence, the luminance obviously characterized by day weak night. In addition, some handicrafts also use fluorite features to make some ornaments with the name of "Night pearl".
"Luminous stone" is in the dark, the human eye can see clearly, natural, self-luminous jewelry.
This jade material for luminous stone is very rare, its flesh like kiwi flesh color, this is the characteristics of luminous stone, because extremely precious, generally used to make into a night pearl, such as the original stone is larger, also used to make bracelet ring, etc., and made of jade is very rare.
Visible this dragon and phoenix grain luminous stone jade jade in the dark, faint glow, is currently the only luminous jewelry in the dark, its rare characteristics, leading to it known as the legendary rare treasure, people hard to see its things, and kunshi its treasure, there is the Cixi pearl of the night, visible its preciousness.
This luminous Shi Yubi its decorative craft is archaize process, this is best hook moire, shaped like a thunder is linked together, two hook and xiangyun and the best combination of moire, luck and the other side of longfeng lines, and the significance of longfeng embossed on it, stereo sense is very, and the significance of the dragons and phoenixes in extremely good fortune, is a symbol of good love since ancient times, the whole shape process of primitive simplicity, touch concave and convex have send, not only is resistant to reward, and has a very high collection value, is a collection of rare treasures.