Hydrothermally synthesized ruby crystal of guilin 桂林水熱法合成紅寶石晶體
Whenever a particularly beautiful ruby crystal was found , the ruler sent high dignitaries out to meet the precious gemstone and welcome it in appropriate style 每當(dāng)發(fā)現(xiàn)壯麗珍貴的紅寶石時(shí),皇帝會(huì)派他的親信去迎接寶石回宮。
Thus only very few ruby crystals were given the good conditions in which they could grow undisturbed to considerable sizes and crystallise to form perfect gemstones 只有極少數(shù)的結(jié)晶體能不受干擾地生成為無瑕疵的大顆粒紅寶石。因此,
Originally , it was believed that these rubies would hardly prove suitable for use in jewellery , since untreated mong hsu ruby crystals actually display two colours : a purple to black core and a bright red periphery 的小城鎮(zhèn)。原本蒙蘇生產(chǎn)的紅寶石是不夠格當(dāng)珠寶的,因?yàn)槠湮唇?jīng)處理的原石呈現(xiàn)兩種顏色:紫至黑色的核心及鮮紅色的邊。