铍铝 meaning in Chinese
aluminizing
Examples
- From a chemical - mineralogical point of view , emeralds are beryllium - aluminium - silicates with a good hardness of 7 . 5 to 8 , and belong , like the light blue
从化学矿物学角度来看，祖母绿是铍铝的硅酸盐矿物，有良好的硬度，在摩氏硬度表中为 - This continuum of color determines the gems value with deepest blues being the most cherished . the finest aquamarine stones come from brazil , but other important sources include afghanistan , india , madagascar , nigeria , pakistan and russia . the largest aquamarine gemstone found to date weighed 243 . 1 lbs
绿柱石是一种含铍铝的硅酸盐，海蓝宝石的颜色为天蓝色至海蓝色或带绿的蓝色的绿柱石，它的颜色形成主要是由于含微量的二价铁离子fe2 ，以明洁无暇浓艳的艳蓝至淡蓝色者为最佳。