mong hsu 中文意思是什麼
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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。原本蒙蘇生產的紅寶石是不夠格當珠寶的，因為其未經處理的原石呈現兩種顏色：紫至黑色的核心及鮮紅色的邊。
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