Contributors in General jewelry
General jewelry
熱力處理
Fashion; General jewelry
he application of high heat to a gemstone in order to improve its color and clarity.
色調
Fashion; General jewelry
顏色顏色輪上的位置或歸因於寶石顏色的主波長為 efers。有六個主色調: 紫、 藍色、 綠色、 黃色、 橙色和紅色。在這些主色調是次要的色調,如藍綠。請參閱色調和飽和度 ...
克拉
Fashion; General jewelry
arat (as distinguished from Carat) is a measure of the purity of gold. Most gold jewelry is actually made from a gold alloy containing gold and another metal or metals. 18K gold, for example, is 75% ...
建立了的實驗室
Fashion; General jewelry
efers 創建在一個實驗室中,而不是由自然的寶石。創建寶石實驗室通常是相同的材料化學作為自然對應的產生的火焰融合或種植採用水熱法的石英剛玉的個案。 ...