The chemical composition of crystal is pure silica with a specific gravity of 2.66, which is very stable. W przeciwieństwie do innych klejnotów, which contain many other elements or contained substances, the specific gravity will be in a range. Its refractive index is 1.544～1.553. , The birefringence difference is 0.009, współczynnik dyspersji wynosi 0.013, i [...]
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The crystal we are talking about is mostly this colorless and transparent crystal, but its English name is not Colorless Quartz but RockCrystal. The word Crystal comes from the Greek word krustallos, which means ice, because the ancient Greeks thought it was an eternal ice crystal given by the gods, so it was named after [...]
Nazwa ametystu wywodzi się z mitologii greckiej. Bachus, bóg wina, był wyśmiewany przez boga księżyca Dianę, i postanowił znaleźć kogoś, kto wyładowuje swój gniew. Zdarzyło się, że piękna młoda dziewczyna Ametyst przeszła obok i stała się kozłem ofiarnym, i został zaatakowany przez tygrysy przyniesione przez Bachusa. [...]
Ametyst Ametryn to kryształ o dwóch kolorach ametystu i cytrynu jednocześnie. Jego angielska nazwa łączy przedrostek ametyst i przyrostek cytryn, tworząc angielskie słowo Ametrine specjalnie używane do określenia tego rodzaju kamienia szlachetnego. Ametyst powstaje podczas formowania się kryształu, one end of the crystal [...]
Because of the different colors and textures of crystals, there are many varieties. Hair crystals and tiger eye crystals are rare varieties, and they are also carved into various jewelry for sale. Aventurine Quartz (Aventurine Quartz) contains green mica flake-like inclusions of green mica. Observing under a magnifying glass, it can be found that the [...]
Na rynku jubilerskim, you can also see a variety of cryptocrystalline quartz, which is colorful and made into rings, wisiorki, ornaments, itp. It is inexpensive and very popular. This is chalcedony. Chalcedony is another series of gemstones in the quartz family. There are many types of gemstones belonging to the chalcedony system with different [...]
Quartz is the most abundant mineral in the earth's crust. Chalcedony is also quite common in the strata. It often coexists with many different minerals. Dlatego, chalcedony gems often appear in front of the world in different appearances. Some special chalcedony is a masterpiece of nature, and it is the favorite of collectors. Because chalcedony [...]
Według badań tekstu, the first place to find agate was near the Achates River on Sicily, so the name evolved into the English Agate. There is a saying that the Chinese name of agate is because the rough shape of agate is similar to horse brain, so it is called agate. . Chalcedony with [...]
Według badań tekstu, the first place to find agate was near the Achates River on Sicily, so the name evolved into the English Agate. There is a saying that the Chinese name of agate is because the rough shape of agate is similar to horse brain, so it is called agate. . Chalcedony with [...]
In the family of colored gemstones, chalcedony is one of the colorful ones. Perhaps most people are unfamiliar with this name, but when it comes to agate, almost everyone knows it: agate is a type of chalcedony. Chalcedony itself is colorful, and its origin and texture have great differences and characteristics. Quartz is the mineral [...]