pleochroic

简明释义

英[ˌpliːəˈkroʊɪk]美[ˌpliːəˈkroʊɪk]

adj. 多色的

英英释义

单词用法

同义词

反义词

例句

1.As for optical features, it is strongly pleochroic.

至于光学特性，它是强烈多色的。

2.As for optical features, it is strongly pleochroic.

至于光学特性，它是强烈多色的。

3.The gemstone displayed stunning colors due to its pleochroic 变色的 properties.

这颗宝石因其pleochroic 变色的特性展现出惊艳的色彩。

4.In the laboratory, we used a polarizing microscope to observe the pleochroic 变色的 nature of the mineral sample.

在实验室中，我们使用偏光显微镜观察矿物样本的pleochroic 变色的特性。

5.Certain types of biotite are known for their pleochroic 变色的 effects when viewed from different angles.

某些类型的黑云母以其从不同角度观察时的pleochroic 变色的效果而闻名。

6.The pleochroic 变色的 behavior of tourmaline makes it a popular choice among jewelers.

电气石的pleochroic 变色的行为使其成为珠宝商的热门选择。

7.Geologists often study pleochroic 变色的 minerals to gain insights into their formation conditions.

地质学家经常研究pleochroic 变色的矿物，以深入了解它们的形成条件。

作文

The world of minerals and gemstones is filled with fascinating properties that can often leave one in awe. Among these properties, the term pleochroic refers to a unique optical phenomenon observed in certain crystals, particularly those that are anisotropic. This property allows minerals to exhibit different colors when viewed from different angles, providing a stunning visual display that captivates gem enthusiasts and scientists alike. Understanding pleochroic materials opens up a deeper appreciation for the complexity and beauty of natural formations. When light passes through a pleochroic crystal, it interacts with the internal structure of the mineral, which can cause the light to be absorbed differently depending on the direction of the light and the orientation of the crystal. This results in the appearance of multiple colors, which can change dramatically as the viewer shifts their perspective. For example, a gemstone may appear blue when viewed from one angle but shift to shades of green or yellow when viewed from another. This remarkable ability not only enhances the aesthetic appeal of gemstones but also serves as a valuable tool for mineralogists in identifying specific types of crystals. One of the most well-known pleochroic minerals is tourmaline. This gemstone can display a vivid spectrum of colors, including pink, green, and blue, all within a single crystal. The variation in color is due to the way that light interacts with the different chemical compositions found within the tourmaline. Similarly, iolite is another gemstone that showcases pleochroic properties, appearing violet-blue from one angle and a much lighter, almost colorless hue from another. Such characteristics make pleochroic stones highly sought after in the jewelry market. In addition to their beauty, pleochroic minerals play an important role in various scientific fields, including geology and optics. Geologists study these minerals to gain insights into the conditions under which they formed, while optical scientists explore their potential applications in developing new technologies. For instance, pleochroic materials can be utilized in polarized sunglasses and advanced optical devices, where controlling light behavior is crucial. The understanding of pleochroic phenomena has also paved the way for advancements in synthetic materials. Researchers are now experimenting with creating artificial pleochroic substances that mimic the properties of natural minerals. These innovations could lead to new applications in various industries, from fashion to electronics, showcasing the versatility and importance of this optical property. In summary, the concept of pleochroic is not just a term confined to the realm of geology; it encapsulates a rich tapestry of scientific inquiry, artistic expression, and technological advancement. Whether one is admiring a stunning piece of jewelry or delving into the complexities of mineral identification, the pleochroic nature of certain crystals serves as a reminder of the intricate beauty that nature has to offer. As we continue to explore and understand these unique materials, we unlock new possibilities that enhance our appreciation for the natural world and its myriad wonders.

矿物和宝石的世界充满了迷人的特性，常常让人惊叹。在这些特性中，术语pleochroic指的是某些晶体（特别是各向异性晶体）所观察到的一种独特光学现象。这个特性使得矿物在不同角度下呈现出不同的颜色，提供了一个令人惊叹的视觉展示，吸引着宝石爱好者和科学家。理解pleochroic材料能够更深入地欣赏自然形成的复杂性和美丽。 当光线通过pleochroic晶体时，它与矿物的内部结构相互作用，这可能导致光的吸收方式因光线方向和晶体取向的不同而有所不同。这导致了多种颜色的出现，当观众移动视角时，这些颜色可能会发生剧烈变化。例如，一种宝石从一个角度看可能呈现蓝色，但从另一个角度看则转变为绿色或黄色的色调。这种显著的能力不仅增强了宝石的美学吸引力，还为矿物学家提供了识别特定类型晶体的有价值工具。 最著名的pleochroic矿物之一是电气石。这种宝石可以在单个晶体内显示出鲜艳的颜色谱，包括粉色、绿色和蓝色。颜色的变化是由于光与电气石内部不同化学成分的相互作用。类似地，紫水晶是另一种展示pleochroic特性的宝石，从一个角度看呈现紫蓝色，而从另一个角度看则呈现出一种更浅的、几乎无色的色调。这些特征使得pleochroic石头在珠宝市场上备受追捧。 除了它们的美丽之外，pleochroic矿物在地质学和光学等多个科学领域也发挥着重要作用。地质学家研究这些矿物以获得关于其形成条件的见解，而光学科学家则探索它们在新技术开发中的潜在应用。例如，pleochroic材料可以用于偏光太阳镜和先进光学设备中，控制光行为至关重要。 对pleochroic现象的理解也为合成材料的进步铺平了道路。研究人员现在正在尝试创造人工pleochroic物质，以模拟天然矿物的特性。这些创新可能会导致在时尚到电子产品等多个行业的新应用，展示了这一光学特性的多功能性和重要性。 总之，pleochroic的概念不仅仅是一个局限于地质学领域的术语；它涵盖了一幅丰富的科学探究、艺术表现和技术进步的画卷。无论是欣赏一件惊艳的珠宝，还是深入研究矿物识别的复杂性，某些晶体的pleochroic特性都提醒我们自然所提供的错综复杂的美。当我们继续探索和理解这些独特的材料时，我们开启了新的可能性，增强了我们对自然世界及其无数奇观的欣赏。