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« Pearl jewelry allow women a lifetime of happinessHistory of turquoise jewelry »

Common sence of gemstone jewelry

The turquoise jewelry take the color, the opacity and the gloss as its key character. It presents the sky blue, the lake blue color or light blue, sometimes is the cyan color or the dark blue, is merely easy and the minority several kinds translucent mixes to not the transparent  gemstone jewelry. The high quality turquoise jewellry rough surface has the oily luster, the polished surface is the glassy luster, moreover is translucent. If contrasts, the experience carefully, the difference turquoise and its replica will not have the too major difficulty generally.
For all this, the turquoise still possibly was copied by certain outward appearances with its similar gem, after specially 1972, the synthesized turquoise enters the international market, has brought certain difficulty for the turquoise appraisal. the synthesis turquoise, nature and the natural turquoise and so on its chemical composition, structure, refractive index, relative density are nearly same. But some people thought that it can only calculate does is one kind of replica, because this kind of synthesis turquoise may see under the magnifying glass to a seedball granular structure, likely innumerable close stack small sphaerolite, but natural not this kind of structure.
Obviously this kind of micro sphaerolite is presses in the same place, some part has depended at least on some type bond. , the familiar turquoise's appearance, the structure and the physico-chemical properties, then distinguish the turquoise and the natural mineral replica. Also many artificial materials, if the glass and the plastic, possibly use for to imitate the turquoise jewelry which including handmade turquoise jewelry,turquoise necklace,turquoise bracelets,turquoise earrings and so on.

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