Homocystinuria
发表于 2025-3-28 17:24:06
Becoming Intimate with Gemsf buying a particular gem is to familiarize yourself with the gem. While the average consumer can’t hope to make the same precise judgments made by a qualified gemologist, whose scientific training and wealth of practical experience provide a far greater data base from which to make his judgments, t
割让
发表于 2025-3-28 20:20:23
Factors of Importance-an Overviewmonds and colored gems are . and . of faceted stones. Faceted stones are stones on which a series of tiny flat planes (facets) have been cut and polished. (Nonfaceted stones are called .. These will be discussed in detail in Part Three.)
假装是你
发表于 2025-3-29 00:07:43
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Customary
发表于 2025-3-29 06:48:39
The Effect of Flawss the GIA system. There are several other systems in use, but most American jewelers use GIA because it indicates a greater number of classifications and thereby provides greater precision in determining the flaw grade. The GIA system is therefore considered the most stringent.
Cervical-Spine
发表于 2025-3-29 09:00:08
Bait or Flamboyant AdvertisingThis is seen frequently today in the mail-order business. The Better Business Bureau, in their booklet ., describes these practices very well. (This booklet is available upon request.) Some of the practices they describe are:
搏斗
发表于 2025-3-29 13:42:58
What to Ask When Buying a Diamondmaller stones, although .50- and .75-carat stones are now beginning to appear with certificates verifying color and flaw grades. An experienced jeweler should be able to provide this information for stones .50 carats and up, or offer to find out for you.
Dysplasia
发表于 2025-3-29 15:43:42
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母猪
发表于 2025-3-29 22:34:17
Determining Value in Colored Gemsly, most people don’t realize how many gems look alike in color. And often, dealers, too, can be misled or caught off-guard. Too often recognition and identification are based on color alone because so few, jewelers and customers alike, are aware of the large number of similarly colored stones that
手术刀
发表于 2025-3-30 02:23:02
Other Colored Gemseryl reputedly discovered in Russia in 1831 on the day Alexander II reached his majority; hence the name. In Russia, where the national colors also happen to be green and red, it is considered a stone of very good omen. It is also considered Friday’s stone or the stone of “Friday’s child.” Alexandri
心痛
发表于 2025-3-30 04:15:07
Antoinette Leonard Matlins,Antonio C. Bonanno F.G.A., P.G., M.G.A.y pleural metastasis of lung, breast, gastrointestinal, and other tumors, as opposed to the development of primary pleural-based malignancies, which are more infrequent. The appearance of a MPE in a patient with cancer signals systemic disease, short survival, and poor quality of life. Under normal