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2 thoughts on “wholesale fashion jewelry san francisco Talk about the feelings and gains of "Baoyu Stone Appreciation"?”
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cheap wholesale jewelry in china ■ (-) The appraisal of ruby
*The so-called natural gemstone "ten red nine cracks" in the jewelry shop, natural ruby without flaws and cracks is extremely rare. Natural ruby is very precious, and there are few more than 8 carats on the market. The color of artificial ruby -to the color of the artificial ruby, internal defects and crystalline wraps, clean, and large blocks.
. Second, natural ruby has a strong "two -color", that is, there are two colors of red and orange -red in different directions. If there is only one color, it may be red spinelite . Garnet or red glass.
"In particular, red spinels are very similar to natural ruby, and it is very easy to confuse. It is necessary to identify from multiple aspects.
(2) The identification of sapphire
*The color of natural sapphire is often uneven, most of which have straight growth patterns, and artificial sapphire colors are uniform. n
*Secondly, natural sapphire has obvious duality. From one direction, it is blue. From the other direction, it is blue -green, and the color of other gems is different.
"Third, hardness measurement method. Natural sapphire can engrave traces on the yellow jade, while other blue gems are difficult to engrave traces on the yellow jade. Therefore, when buying sapphire, you can consider carrying a piece of yellow jade with you.
wholesale piercing body jewelry Baoyu Stone appreciation is a curriculum with both scientific and technological content and great practicality. It has many requirements for the basic knowledge of people such as optical, earth minerals, color science, and aesthetics. The appreciation is the main science. When the non -jewelery processing and business students are popular, the teacher realizes that not only does not also teach them the basic ability of Baoyu Stone appreciation, but also educate their knowledge to connect with each other In terms of learning well, not only is it good for professional development, but also the understanding of expanding knowledge has risen to the depth of development potential.