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First to identify the authenticity of the purchase of gold Jewelry Findings, the method the following seven points: Weigh weight, gold Jewelry Findingsmetal jewelry with the same volume compared to the weight of gold Jewelry Findings.
Second is to listen to the sound, the goldsmith tossing on the ground, will be issued a "pop-pop" sound, low levels pronunciation clear light crisp. See red gloss enduring color, gold Jewelry Findings, gold jewelry, poor yellow. Hardness test, jewelry gold higher soft with hard needlepoint is zoned obvious traces appear; the low gold imprint fuzzy.
Five hand bend, the real gold soft hand bend, easy to bend easily broken, made chromatic aberration of Jewelry Findings off is not easy to bend. Six with fire, burning with the fire jewelry, real gold resistance burn does not change color, lose their luster after the burning of the fake gold, or even become a dark purple. Seven is the acid test, the gold dissolved in hydrochloric acid, sulfuric acid, nitric acid, and other metal to encounter three acid that since the change.
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8月31日（金）16:29 | コメント(0) | Beauty/Cosmetic | 管理
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