Krystal, bezbarvé a průhledné, beautiful and extraordinary. It is a very common and popular common gemstone carving crafts and utensils. It can also be made into lenses; small pieces can be polished into gemstones. Ametyst, the English name Amethys, comes from the Greek "Amethustos". Amethyst is a kind of lavender, deep purple or grape purple [...]
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Bílý krystal: It has the functions of focusing, concentration, expansion and memory. It is a complex of all energies. It is called the king of crystals, which can purify the whole body, get rid of sickness, and promote good luck. Ametyst: develop intelligence, stabilize emotions, zlepšit mezilidské vztahy, can bring courage and strength to travelers, [...]
The crystal is composed of three elements: crystal face, crystal edge and apex angle. It has a polyhedral shape and is a geometric body occupying three spaces. The three or four imaginary straight lines that meet in the center of the crystal are called the crystal axis of the crystal. According to the length of [...]
The luster of gems has the following types: ① Diamond luster refers to the luster produced by gems with high refractive index. Generally refers to the gloss shown by diamonds. Close to (or slightly inferior) diamond luster is called sub-diamond luster, such gems include zircon, garnet and so on. ②Glass luster refers to the luster [...]
Rubín a safír jsou jednoduché oxidové minerály, patřící do trigonální krystalové soustavy, krystaly jsou většinou šestihranné sloupcovité se skelným leskem, průhledné až průsvitné, tvrdost 9, na druhém místě za diamantem; stabilní chemické vlastnosti, a dobrá houževnatost a zjevný pleochroismus. Ačkoli rubín a safír mají stejné chemické složení, they become crystals with different [...]
V mineralogii, emeralds belong to the same beryl group as aquamarine and beryl. Beryl is a silicate containing beryllium and aluminum. Its composition often contains potassium, sodium, vápník, hořčík, železo, lithium, bismuth, mangan, cesium, chrom, vanadium, nickel and other trace elements. Some of them are pigment ions, causing beryl to have yellow (zlato) pink or [...]
It is said that the Holy Grail used by Jesus in the Last Supper was carved from emeralds. One of the glasses of the ancient Roman tyrant Nero was also made of emeralds, and he used his power to search for emeralds everywhere. In the Iranian royal family of ancient Persia, there are thousands of [...]
Chrysoberyl patří v mineralogii do rodiny spinelů. Je to oxidový minerál obsahující berylium a hliník, a obsahuje malé množství stopových prvků, jako je železo, titan a chrom. Patří do ortorombického krystalového systému, krystal je krátký sloupec, destička nebo pseudošestihranný prstenec, se skleněným leskem, průhledné až průsvitné, tvrdost [...]
The discoloration effect of alexandrite is the result of its selective absorption of light waves. Its transparent crystal can pass red and green light. Proto, under different wavelength light sources, when the light source (such as incandescent lamp) contains more red components, zobrazí se červeně; when the light source (Such as fluorescent lamps or [...]
There is a story circulating in the West: V 18. stol, a hot summer in Amsterdam, the Netherlands, a few children were playing in the sun with some colorful stones brought back from overseas by voyagers, and found that these stones appeared in the sun. A strange phenomenon, they asked their parents to come [...]