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, [...]
Arhivele de categorii: Știri despre bijuterii
Gemologia în zilele noastre își are originea în secolul al XVIII-lea d.Hr. Înainte de asta, oamenii din cele mai vechi timpuri știau să se decoreze cu oase de animale, scoici, pene, pietre frumoase și alte obiecte. Odată cu dezvoltarea istoriei, diferite culturi de bijuterii s-au dezvoltat treptat. Ceea ce poate fi numit o bijuterie? Pur și simplu pus, all kinds of materials that can be [...]
The geological conditions of gem formation are different, and the distribution area of gems mainly depends on the properties of the rock mass formed by the gems. De exemplu, diamonds are formed in Kimberlite, but not all Kimberlites produce diamonds. It still depends on whether the area has sufficient conditions for diamonds to grow; şi [...]
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. În acel moment, 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 [...]
From the 1890s to the 19th century, the “Language of stone” (Language of stone) was popular in jewellery, where the letters starting with gems were spelled together, such as Lapis Lapis, Opal, Verleil, and Grandmother. The combination of green Emerald means love. The most famous example is the three bracelets that Napoleon gave to the [...]
Figura reprezentativă a perioadei Art Nouveau este celebrul designer Rene Lalique (1845-1945). A folosit o mulțime de pietre prețioase colorate și emailuri. Flori naturale, păsări, insecte, pești și alte animale și plante apar adesea în lucrările sale de design. Emphasis on delicate metal craftsmanship changes people's concept of jewelry. It is not necessary to [...]
Cele șapte comori ale budismului: Șapte metale prețioase și pietre prețioase, inclusiv aur și argint, glazura colorata, cetate, agat, perla, chihlimbar, și coral, sunt enumerate ca cele mai multe șapte comori spirituale din multe scripturi budiste. Aurul și argintul sunt istorie Cel mai vechi și mai folosit metal prețios; colored glaze is a kind of bead or [...]