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有哪些罕見稀有的寶石?
文章來源:http://www.maabkw.live/ 仁和智華地質標本

 Painite,鋁硼鋯鈣石,這是1951年在緬甸抹谷(Mogok)地區寶石砂礦中發現的新礦物。并以英國礦物學家Arthur C. D. Pain的名字命名。該礦物具體的化學成分不清,一般稱為鋁硼鋯鈣石或紅硅硼鋁鈣石。礦物主要呈透明的暗紅色晶體,很長一段時間,世界上最大晶體只有Pain收藏的一塊重1.7克的標本。1957年,它被國際上確認為新寶石礦種。并于2005年被吉尼斯世界紀錄收錄為最稀有的寶石礦物,因為直到2005年,全球也只找到25個完整晶體。由于鑒定技術的進步與標本積累,發現鋁硼鋯鈣石晶體的數量也增加到了原來的幾倍,但仍然不足100個。而且,能被切割成高品質寶石的晶體或碎塊數量仍舊極少。

 
Painite, a new mineral discovered in 1951 in the gemstone placer in the Mogok region of myanmar. It was named after the British mineralogist Arthur c. d. Pain. The specific chemical composition of the mineral is not clear, commonly known as alb zirconium calcium or red borosilicate alc calcium. The minerals are mostly transparent dark red crystals, and for a long time the largest crystals in the world were only a 1.7g specimen in the Pain collection. In 1957, it was internationally recognized as a new gem mineral. In 2005, it was listed by the guinness world records as the rarest gem mineral, because until 2005, only 25 complete crystals had been found in the world. Thanks to advances in identification techniques and the accumulation of specimens, the number of alb zirconium crystals found has increased several times, but is still less than 100. Moreover, the number of crystals or fragments that can be cut into high-quality gems is still very small.
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