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山東天然藍寶石從發現至今已6年了。人們把採掘的天然藍寶石普遍按照傳統的加工方法進行加工,除其中一小部分灰藍、綠藍、綠黃綠、黃、紅色調的原料加工後,能夠透明出火外,絕大部分靛藍色的原料加工後(尤其粒度在1克拉以上的成品中),象黑炭一樣,幾乎不透明,極少出現閃爍(“出火”)效果,這類山東藍寶石,國外一些專家和珠寶商不承認是藍寶石,稱謂剛玉。根據國內許冬專家的觀點,這煩原料必須經過改色處理方能成為優質寶石投放市場。但到目前
Shandong natural sapphire from the discovery has been 6 years. People generally extract the natural sapphire in accordance with the traditional processing methods for processing, in addition to a small part of the gray blue, green blue, green yellow green, yellow, red tones of raw materials processing, the fire can be transparent, the vast majority of indigo Raw material processing (especially in the grain size of 1 carat above the finished product), the same as black carbon, almost opaque, very few flash (“fire”) effect, such Shandong sapphire, some foreign experts and jewelers do not recognize is sapphire, appellation Corundum. According to Xu Dong domestic experts point of view, this annoying raw materials must be modified to become high-quality gem market. But till now