纯刚玉 meaning in Chinese

white sapphire

Pure corundum is colourless
。纯刚玉是无色的。
Effects of - al2o3 nano - powder additions on sintering of high purity corundum brick
3纳米粉对高纯刚玉砖烧结性能的影响
Effect of adding nanocrystalline - al2o3 on sintering behavior of alumina fibers
3纳米粉对高纯刚玉制品高温力学性能的影响
The gemstones in the corundum group consist of pure aluminium oxide which crystallised into wonderful gemstones a long time ago as a result of pressure and heat at a great depth
蓝宝石的矿物名称为刚玉，其纯铝氧化物，是在久远以前被地层底下的压力和热度结晶化，转换为美丽灿烂的宝石。纯刚玉是无色的。