The object of color grading is Cape series diamonds, which are graded from colorless to light yellow according to color density. Colorless to light yellow with continuous color changes are artificially defined as a series of boundaries. These boundaries are also color levels, which represent a certain color density range. The higher the color level, [...]
Архиви на категория: Новини за бижута
Gemology nowadays originated in the eighteenth century AD. Преди това, humans in ancient times had known to decorate themselves with animal bones, черупки, пера, beautiful stones and other objects. With the development of history, different jewelry cultures have gradually developed. What can be called a gem? Просто казано, all kinds of materials that can be [...]
Геоложките условия на образуване на скъпоценни камъни са различни, а площта на разпространение на скъпоценните камъни зависи главно от свойствата на скалната маса, образувана от скъпоценните камъни. Например, диамантите се образуват в кимбърлит, но не всички кимбърлити произвеждат диаманти. Все още зависи дали в района има достатъчно условия за отглеждане на диаманти; и [...]
Most of the transparent gems belong to the mineral group, while the transparent to opaque gems are mostly rock types. Organic gems are gems formed from animal bones, secretions or plant fossils. 1. mineral Mineral gems are formed in the earth's crust and have a fixed chemical composition and crystal form, and most of them [...]
The evolution of jewelry is represented by several well-known periods, each with its own unique style, derived from the influence of art and culture at that time. The jewelry of each period seems to be a microcosm of the culture at that time and has different meanings in different eras. ancient times Starting from the [...]
From the eighth century to the early thirteenth century, it was the early period of the medieval period. The jewelry culture during this period was mainly influenced by the Byzantine period, with the Byzantine court style as the mainstream. По това време, the wealth belonged to the church and was immediately restricted by the law [...]
At the beginning of the seventeenth century, the French power in Europe gradually rose, and the influence of the French royal family changed European court life and culture. The original skirt covered with jewels and supported by whale bones was changed to a low-cut, puffy sleeves. There are also big changes in the style of [...]
От 1890 -те до 19 век, „Езикът на камъка“ (Език на камък) беше популярен в бижутата, където буквите, започващи с скъпоценни камъни, бяха изписани заедно, като лапис лапис, Опал, Наклон, и баба. Комбинацията от зелен изумруд означава любов. Най-известният пример са трите гривни, които Наполеон подарява на [...]
The representative figure of the Art Nouveau period is the famous designer Rene Lalique (1845-1945). He used a lot of colored gemstones and enamels. Natural flowers, птици, насекоми, fish and other animals and plants often appear in his design works. Emphasis on delicate metal craftsmanship changes people's concept of jewelry. It is not necessary to [...]
Седемте съкровища на будизма: Seven precious metals and gems, including gold and silver, цветна глазура, цитадела, Ахат, Перла, Амбър, и корал, are listed as the seven most spiritual treasures in many Buddhist scriptures. Gold and silver are history The oldest and most widely used precious metal; colored glaze is a kind of bead or [...]