Pearl is said to be a mermaid's tears, with the energy of the moon stones, moist rich and elegant, low-key yet luxurious, Tiffany and Co Bracelet Jewelry Outlet can make a person's mind to be calm, the "Venus Tears" reputation. Can be divided into freshwater pearl beads and water beads, is an ancient organic gemstone, water beads rare we see mostly farmed freshwater pearls. So freshwater pearls that how to choose?
Size
The size of the pearl is mainly approximated by measuring the diameter of round pearls judged primarily in millimeters. Generally speaking mother of pearl by pearl nacre secretion, accumulation of one level, only to reach the thickness of nacre thickness 3mm to grow gem-quality pearls, this means together with the growth time of mother of pearl, a Pearl often takes 3-5 years or even longer to grow to more than 8mm. The larger the pearl rarity seen higher, but we also according to their own needs to choose the size of the pearl.
Shape of
Due to the different growth conditions pearl, its shape has its own characteristics, and can be divided into the following form level: a round, of course, also has a perfect circle round, round and near-round points, the best being to belong circle. b oval, length to diameter ratio of between 10% -20%, with drop-shaped, pear-shaped and oval-shaped length. c flat, there is a similar planar one or both sides of Tiffany heart necklace jewelry outlet pearls, with symmetry. d profiled shapes, surface irregularities, there is no symmetry pearls.
Gloss
Gloss is an important aspect of assessing the quality of pearls, a level particularly bright, sharp, skin like a mirror image clarity; b grade bright, uniform illumination physical image, clear images; c-level brightness arrive to see images of objects, But rather vague; surface d grade diffuse light, shiny little dull image.
Aspects of the formation of defects after all, is a natural development of the pearl, it will leave a mark on the surface of a lot of the growth process, the imprint is what we call flaws, it's pretty much a direct image of the pearl, generally divided into flawless, namely the naked eye , the surface is smooth, very difficult to see defects; micro leisure, very small surface defects, visible to the naked eye is difficult; small leisure, smaller flaws, the naked eye can see; defect is attributable to the following fourth surface imperfections clear pearls . Pearl surface can not be handled manually, so it is perfect pearls are relatively rare precious.
Sound, tactile aspects of a few grains of pearl when rubbed together, because there is resistance so there will rustle, unlike Cheap Oakleys Holbrook Sunglasses Outlet Store glass imitations that slip. Gives a sense of cool and very comfortable, no cool or cold feeling some fat ice try not to choose, the likelihood is fake.
:: بازدید از این مطلب : 671
|
امتیاز مطلب : 0
|
تعداد امتیازدهندگان : 0
|
مجموع امتیاز : 0