Nucleated pearls are divided into two parts, the nucleus and the nacre, from the inside to the outside. The innermost layer is the nucleus. The nacre is a crystal of keratin and calcium carbonate formed on the surface of the pearl nucleus or foreign body by the secretions of the pearl oyster during cultivation or […]
Archiwa autora: Kingjy
There are many places where pearls are produced in the world. Natural pearls are mainly produced in the Persian Gulf, Red Sea, South Pacific, Gulf of Mexico, itp. They can be divided into Eastern Pearl, Southern Pearl, Australian Pearl, Southern Ocean Pearl, Black Pearl, Oriental Pearl, itp. Due to pollution, the yield and quality of […]
Metodę oceny jakości pereł można uznać za bardzo systematyczną i naukową, podobnie jak klasa diamentów 4C. Międzynarodowa ocena jakości pereł obejmuje głównie następujące aspekty: kolor, połysk, przezroczystość, tekstura, kształt, rozmiar, itp. W przypadku koralików hodowlanych, there is also the problem of the thickness of […]
Akwamaryn (Akwamaryn), nazwa minerału to beryl, to beryl z dużą ilością elementów żelaznych, jako długowieczny kamień szlachetny, w XIX wieku, ludzie używali akwamarynu jako amuletu chroniącego żeglarzy. Z akwamarynem wiążą się także pewne legendy historyczne przeplatające się z oczekiwaniami i przesądami. Od dawna uważany jest za symbol szczęścia i wiecznej młodości, […]
cryptocrystalline quartz jade. Chalcedony and agate have a very long history. About 100 million years ago, underground magma spewed out due to the changes in the earth’s crust. When the lava cooled, steam and other gases formed bubbles, and the bubbles were sealed when the rock was frozen to form many holes. After a long […]
German glasses brille extends from beryl, because the earliest spectacle lenses were ground with colorless beryl. The color of beryl gemstones is one of the classification criteria. (1) Szmaragd. With chromium or iron as the color characteristic, green beryl with emerald green color can be slightly yellow or blue, and its typical characteristic is the […]
(1) Kolor. The best emerald color is that strong emerald green with a little blue tone, that green will make people unforgettable. Positive green and slightly yellowish grass green are also very good, while dark green and light green are inferior colors. (2) Przejrzystość. The clarity of emeralds is generally not very good, with large […]
The main varieties of chrysoberyl gemstones, cat’s eye and alexandrite, are important precious gems in the world. In addition to cat’s eye and alexandrite, chrysoberyl gemstones also include chrysoberyl, which refers to gold that does not have the discoloration effect and the cat’s eye effect. Emerald gems. Wśród nich, there are no special optical effects, […]
W 1830, a gem that changed color was discovered in the Ural Mountains in Russia, namely alexandrite. This day happened to be the birthday of Emperor Caesar Alexander II of Russia, so he named him Alexandrite after the Emperor of Russia. It was also called “Aleksandryt” do nabycia. The color of alexandrite changes with […]
(1) Kolor. Najlepszy jest żółty wosk pszczeli, następnie zielony, żółto-zielony, żółto-brązowy, ponownie szaro-zielony i szaro-żółty. Kiedy światło oświetla kamień z boku, połowa kociego oka to kolor jego ciała, a połowa staje się innymi kolorami, co również jest dobrym występem. A co do kociego eyelinera, the brighter and more […]