The discovery of the pair of single-chain cufflinks

According to the quality classification of high-quality pearls. Contained pure nacre, very few impurities, such pearls, most of the aragonite crystal. Low-quality pearls. It can be said is a heterogeneous pearl, it contains a certain amount of nacre also contain other ingredients, such as shell leather, beads and prismatic layer beads are inferior beads, their nacre and pearl nucleus, the majority of the structure is not close, The rub is often mixed with organic matter in many dirty, nacre is a shell of keratin, opaque, brown, clay-colored or khaki-colored, easy to break. morphological classification of the shape of the pearls come in different styles, perfect circle, semicircle, egg-shaped, pear-shaped, drip, Siamese, baroque shaped and so on. Nowadays, in the oldest data of cufflinks that can be identified, one is from the London Gazette in 1684. The Shoen course is a pearl beyond reproach in this state, and other forms of pearl is also no shortage of its value and people appreciate the taste.
The customary classification of normal commercial general business habits pearl divided into three categories. Water beads. Including natural pearls and cultured pearls. People constantly fishing, pollution of sea water and industrial development, the seabed of wild shellfish, seawater natural pearls thus obtained by the people there are very few. This paper records a pair of diamond cufflinks.  Rounded, the larger particles decorated with pearls are more rare, see generally only millet so much, and the shape of the shaped, only medicinal, natural millet beads price is also very expensive. Farmed sea bead diameter is usually 4-7.5 mm, the larger 8-8.5 mm, 6-7 mm of the majority. The color of the sea cultivated pearls, silver, pink, rose red, gold, iron gray and so on. Freshwater pearls. Including natural pearls and cultured pearls.
Natural freshwater beads pearl grows in rivers and freshwater lakes where mussels. Than natural sea water beads yield high, but the particles are small and shaped. Farmed freshwater pearl shape round, oval, semi-circle, but more shaped beads, and surface folds. Color white, brown, purple, purplish blue, orange, brown, gray and so on. In 1686, this journal carried a pair of cufflinks coated with gold. Nurtured by three natural mussel pearl is one of the best freshwater pearls, which is characterized by folds, rounded soft glossy vivid colors. Artificial pearls. In the world market, many man-made beads, decorated with artificial beads can be divided into two categories: a type of plastic beads, which we usually see on the market of plastic products. Looks pretty, artificial jewelry class decorations. Which is characterized by particularly light feel, the price of a few dollars to more than ten million dollars, the value of the goods is very low.
Another type of biological shiny beads, it is very popular on the world market with a natural pearl luster effect, the feel, the proportion related to the sea raised exactly like the fake pearls. How to identify genuine and fake pearls? In recent years, often pearl oysters and other bivalve shells, or plastic particles core, wrapped in a layer of pearl powder, the powder processing of large oysters made a similar appearance and genuine pearls fake pearls, the production of pearl jewelry, and harm buyers. How to identify? The shape of the genuine pearl appearance of cylindrical and spherical, oval, ovoid, rod diameter ranging from 1-10 mm, a big, round shape luxury. The discovery of the pair of single-chain cufflinks in the Suffolk County of England has proved that the cufflinks had existed since the 17th century. Fake goods Chengbian drum-shaped or nearly spherical, often one side or both sides of the flat, the size of millet, a diameter of 2-3 mm, up to 5 mm.