spinels

简明释义

英[ˈspɪnəlz]美[ˈspɪnəlz]

n. [矿物] 尖晶石

英英释义

单词用法

同义词

反义词

例句

1.The results showed that the substitution of metal-ion for Mn improved the cycling stability of the mangano-spinels, but reduced of the capacity.

结果表明：金属离子掺杂使锰尖晶石材料的高温循环性能得到明显改善，但电化学比容量有所降低。

2.The invention relates to a method for producing nanoparticles of aluminium spinels.

本发明要求保护制备由铝尖晶石构成的纳米粒子的方法。

3.The spinels in pyroxenite xenoliths are aluminum spinel with higher Al content and lower Cr content and green in color in thin sections.

辉石岩中尖晶石在薄片下呈绿色，为铝含量高、铬含量低的铝尖晶石；

4.The results showed that the substitution of metal-ion for Mn improved the cycling stability of the mangano-spinels, but reduced of the capacity.

结果表明：金属离子掺杂使锰尖晶石材料的高温循环性能得到明显改善，但电化学比容量有所降低。

5.The optical properties of spinels 尖晶石 make them valuable in various industrial applications.

由于光学特性，尖晶石在各种工业应用中非常有价值。

6.In mineralogy, spinels 尖晶石 are categorized based on their chemical composition.

在矿物学中，尖晶石根据其化学成分进行分类。

7.The spinel 尖晶石 group includes minerals like ruby and sapphire.

尖晶石组包括红宝石和蓝宝石等矿物。

8.The geologist discovered several types of spinels 尖晶石 in the volcanic rock samples.

地质学家在火山岩样本中发现了几种类型的尖晶石。

9.Some spinels 尖晶石 are used as gemstones due to their vibrant colors.

一些尖晶石因其鲜艳的颜色而被用作宝石。

作文

In the world of gemstones, few materials are as intriguing and diverse as spinels. These beautiful minerals have long been overshadowed by their more famous counterparts, such as rubies and sapphires. However, spinels deserve recognition for their unique qualities and stunning appearance. Composed primarily of magnesium aluminum oxide, spinels can be found in a variety of colors, including red, blue, green, and even black. This diversity makes them a popular choice among gem enthusiasts and jewelers alike.One of the most fascinating aspects of spinels is their historical significance. For centuries, many gemstones that were believed to be rubies or sapphires were later identified as spinels. For example, the Black Prince's Ruby, which is a prominent feature in the British Crown Jewels, is actually a red spinel. This mix-up highlights the need for proper identification in the gemstone market, as spinels can often be mistaken for other, more expensive stones.Additionally, spinels are known for their brilliance and clarity. Unlike some other gemstones that may have numerous inclusions or flaws, high-quality spinels can be exceptionally clear, allowing light to pass through them beautifully. This clarity, combined with their vibrant colors, makes spinels an attractive option for those looking to invest in unique jewelry pieces.Furthermore, spinels are gaining popularity due to their ethical sourcing. Many gemstones on the market today come from conflict zones or are mined under unethical conditions. In contrast, spinels are often sourced from regions with more responsible mining practices, such as Myanmar and Sri Lanka. This aspect appeals to environmentally conscious consumers who wish to make ethical choices when purchasing jewelry.The durability of spinels also adds to their allure. With a hardness rating of 7.5 to 8 on the Mohs scale, spinels are suitable for everyday wear. They can withstand scratches and damage better than softer stones, making them a practical choice for rings, necklaces, and bracelets. This resilience, coupled with their stunning aesthetics, ensures that spinels will remain a beloved choice for generations to come.In conclusion, spinels are a remarkable group of gemstones that offer beauty, history, and ethical sourcing. As more people become aware of these captivating stones, it is likely that their popularity will continue to rise. Whether you are a seasoned collector or simply someone looking for a unique piece of jewelry, spinels should not be overlooked. Their rich colors, excellent clarity, and responsible sourcing make them a worthy addition to any collection, proving that sometimes the most extraordinary treasures are those that have been hidden in plain sight. Embracing the beauty of spinels allows us to appreciate the wonders of nature and the artistry of gemstone craftsmanship.

在宝石的世界中，几乎没有哪种材料像尖晶石那样引人入胜和多样化。这些美丽的矿物长期以来一直被更著名的对手，如红宝石和蓝宝石所掩盖。然而，尖晶石因其独特的品质和惊艳的外观而值得认可。尖晶石主要由铝镁氧化物组成，可以找到多种颜色，包括红色、蓝色、绿色，甚至黑色。这种多样性使它们成为宝石爱好者和珠宝商的热门选择。尖晶石最引人入胜的一个方面是它们的历史意义。几个世纪以来，许多被认为是红宝石或蓝宝石的宝石后来被确认实际上是尖晶石。例如，黑王子的红宝石，它是英国王冠珠宝中的一个显著特征，实际上是一颗红色尖晶石。这种混淆突显了在宝石市场上进行适当识别的必要性，因为尖晶石常常被误认为其他更昂贵的石头。此外，尖晶石以其光辉和清晰度而闻名。与某些可能有众多内含物或缺陷的其他宝石不同，高质量的尖晶石可以非常清澈，让光线美丽地穿透它们。这种清晰度，加上它们鲜艳的颜色，使得尖晶石成为那些希望投资独特珠宝作品的人的吸引选择。此外，由于其道德来源，尖晶石也越来越受欢迎。如今市场上的许多宝石来自冲突地区或在不道德的条件下开采。相比之下，尖晶石通常来自具有更负责任的采矿实践的地区，如缅甸和斯里兰卡。这一方面吸引了那些希望在购买珠宝时做出伦理选择的环保意识消费者。尖晶石的耐用性也增加了它们的吸引力。在摩氏硬度表上，尖晶石的硬度评级为7.5到8，适合日常佩戴。它们能够比较软的宝石更好地抵御划伤和损坏，使它们成为戒指、项链和手链的实用选择。这种韧性，加上它们惊艳的美学，确保尖晶石在未来几代人中将继续受到喜爱。总之，尖晶石是一组杰出的宝石，提供了美丽、历史和道德来源。随着越来越多的人意识到这些迷人的石头，它们的受欢迎程度可能会继续上升。无论你是经验丰富的收藏家还是仅仅想要寻找独特珠宝的人，尖晶石都不应被忽视。它们丰富的颜色、卓越的清晰度和负责任的来源使它们成为任何收藏的值得补充，证明有时最非凡的珍宝就是那些隐藏在显眼之处的宝藏。拥抱尖晶石的美让我们欣赏大自然的奇迹和宝石工艺的艺术。