The first is to test the hardness. Since natural crystal has higher hardness than glass, it can make marks on the glass without any damage to itself; The second is to test the cooling sensation. In summer, the natural crystal will also have a significant cooling sensation when held in the hand, not like glass […]
Archivio Autore: Kingjy
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“Actually, a beautiful bracelet. The name Swarowski speaks for itself and the offer is unbeatable. But unfortunately, this construction with the individual links and the small eyelets underneath is very awkward for me personally. They should probably cause the bracelet to move from one side to the other side, which should enhance the sparkle. Ma […]
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“Le pietre brillano leggermente, SÌ, alla luce ovviamente di più. Penso che una chiusura del genere sia abbastanza sicura. La qualità generale è ok. Anche se io e i miei conoscenti abbiamo molti Swarowski da molto tempo e le pietre tendono sempre a cadere. This can be seen on the previously purchased silver […]
Crystal, colorless and transparent, 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. Ametista, the English name Amethys, comes from the Greek “Amethustos”. Amethyst is a kind of lavender, deep purple or grape purple […]
White crystal: 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. Ametista: develop intelligence, stabilize emotions, improve interpersonal relationships, 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 […]
Ruby and sapphire are simple oxide minerals, belonging to the trigonal crystal system, the crystals are mostly hexagonal columnar with glassy luster, transparent to translucent, hardness of 9, second only to diamond; stable chemical properties, and good toughness and Obvious pleochroism. Although ruby and sapphire have the same chemical composition, they become crystals with different […]
In mineralogy, 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, calcium, magnesium, ferro, lithium, bismuth, manganese, cesium, cromo, vanadium, nickel and other trace elements. Some of them are pigment ions, causing beryl to have yellow (oro) 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 […]