Cultured Stones Versus Natural Diamonds?

Rhinestone (high-leaded glass) is also known as diamante is made from rock crystal

, glass or acrylic. These are known as Strass after the name of Georg Friedrich Strass, a jeweler who coated the lower part of the glass for it to look like stone. Indeed, the Strass effect resembles adamant gloss, as a result at times strass-gem is taken as natural gem. Just those customers that don't have a clue of how real gem can look like can be chiselled, the other - not. Crystal does not have qualities of natural gemstone: durability, refractory property and life span. Cause is that both of these gemstones are of different structure and kind. Of course, its cost is much lower thereby everyone can afford it, but in any case it won't go for a real stone no matter what.

Cubic Zirconia is another favorite natural diamond substitution on jewelery market. Cubic Zirconia is isometric, the same as diamond is. This property really makes it look as a natural diamond gemstone. But CZ is man-made and to form crystals and let them stay firm at ordinary temperature , a stabilizer is always mandatory. Typically ytrrium or calcium oxide can be stabilizers, but their amount is calculated by each producer on an individual basis. The case is that stabilizing oxides are contained in the structure of the finished product. This makes the stone weight much more than natural stone. Moreover the level of CZ dispersion is higher as compared to real diamond. Though, it is so easy to delude an unexpereinced person and to convince him CZ is a real one, anyway, cubic zirkonia will without any doubt fail the breaking test - just hit it with smth. very hard, hard as natural diamond.

Other replacements will not pass both thermal test or destructive one, even in both of them. It can seem that not a thing left to make diamond low-cost for real people. Yet, in year 1954 a great contender to manually mined stone was made - man-made gemstone. It diverges from all the standard stone replacements by characteristics, composition, physical structure and conditions of synthesis. Synthetic stone is grown in laboratory under HPHT conditions, which copy real conditions necessary for diamond cration. Simulated gem contains the same component as real diamond gemstone - clean carbon. Cultured gemstones do have the characteristics as real gems: optical, physical and chemical. these have the solidity, glistering effect and longevity as real stones. In addition, they cost less and can be found. You can both purchase them on-line or at any jewelry store. For most fastidious buyers created gemstones can be bought in several fancy colors: blue, green, pink or yellow which are very costly and occasional when are found in real nature. They are also might be purchased as loose stones or in diamond jewelry. So, today "real" diamonds are low-priced.

by: sfed40fo

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