nonmetallic luster

简明释义

非金属光泽

英英释义

例句

1.When studying rocks, geologists often look for nonmetallic luster as an important identifying characteristic.

在研究岩石时，地质学家通常将非金属光泽作为一个重要的识别特征。

2.The mineral quartz exhibits a distinct nonmetallic luster, which makes it easily recognizable in the field.

矿物石英呈现出明显的非金属光泽，这使得它在野外容易被识别。

3.Calcite is a common mineral known for its nonmetallic luster and is frequently used in geology classes.

方解石是一种常见矿物，以其非金属光泽而闻名，常用于地质课程。

4.In contrast to metals, minerals with a nonmetallic luster often appear dull or glassy.

与金属相比，具有非金属光泽的矿物往往显得暗淡或玻璃状。

5.The presence of nonmetallic luster in certain minerals can indicate their chemical composition.

某些矿物中存在的非金属光泽可以指示它们的化学成分。

作文

In the world of minerals and gemstones, the term nonmetallic luster describes a specific type of shine or gleam that is not characteristic of metals. This quality can be observed in various natural materials, and understanding it is crucial for both gemologists and mineral enthusiasts alike. Unlike metallic luster, which reflects light in a shiny, mirror-like fashion, nonmetallic luster offers a more subdued and varied appearance. It can range from glassy and pearly to dull and earthy, depending on the mineral's composition and structure.For instance, quartz, one of the most abundant minerals on Earth, exhibits a glassy nonmetallic luster. When polished, it reflects light beautifully but does not shine like a metal. This quality makes quartz highly desirable for jewelry and decorative items. In contrast, minerals such as talc possess a greasy or soapy nonmetallic luster, which gives them a unique feel and appearance. Such distinctions are vital for identification and classification in geology and mineralogy.The significance of nonmetallic luster extends beyond mere aesthetics; it also plays a role in practical applications. For example, understanding the luster of a mineral can help in determining its hardness, cleavage, and other physical properties. This knowledge is essential for mining operations, where identifying the correct minerals can lead to successful extraction processes.Furthermore, the study of nonmetallic luster contributes to our understanding of the Earth's geological history. Different lusters can indicate the conditions under which a mineral formed, including temperature, pressure, and the presence of other elements. For example, the presence of water during mineral formation can influence whether a mineral develops a glassy or dull luster.In educational settings, students learning about geology often engage in hands-on activities to identify minerals based on their luster. By examining samples under different lighting conditions, they can appreciate the nuances of nonmetallic luster and how it contrasts with metallic varieties. This experiential learning reinforces the theoretical aspects of mineralogy and helps students develop critical observational skills.In conclusion, the term nonmetallic luster encompasses a wide range of appearances and characteristics found in various minerals. Its importance in identification, classification, and practical applications cannot be overstated. As we continue to explore the fascinating world of minerals, a deeper understanding of nonmetallic luster will enhance our appreciation for the natural beauty and complexity of the Earth’s resources.

在矿物和宝石的世界中，术语非金属光泽描述了一种特定类型的光泽或闪光，这种光泽并不是金属特有的。这种特性可以在各种天然材料中观察到，理解它对宝石学家和矿物爱好者来说都是至关重要的。与金属光泽不同，金属光泽以光亮、镜面般的方式反射光线，而非金属光泽则提供了一种更为柔和和多样化的外观。根据矿物的成分和结构，它可以从玻璃状和珍珠状到暗淡和土质不等。例如，石英是地球上最丰富的矿物之一，展现出玻璃状的非金属光泽。当被抛光时，它美丽地反射光线，但不会像金属那样闪耀。这种特性使石英在珠宝和装饰品中极具吸引力。相反，像滑石这样的矿物则具有油腻或肥皂般的非金属光泽，这赋予它们独特的触感和外观。这些区别对于地质学和矿物学中的鉴别和分类至关重要。非金属光泽的重要性不仅仅体现在美学上；它还在实际应用中发挥着作用。例如，了解一种矿物的光泽可以帮助确定其硬度、解理和其他物理特性。这一知识对于采矿作业至关重要，识别正确的矿物可以导致成功的开采过程。此外，研究非金属光泽有助于我们理解地球的地质历史。不同的光泽可能表明矿物形成时的条件，包括温度、压力和其他元素的存在。例如，矿物形成过程中水的存在可以影响矿物是否发展出玻璃状或暗淡的光泽。在教育环境中，学习地质学的学生通常通过实际活动来根据光泽识别矿物。通过在不同光照条件下检查样本，他们可以欣赏非金属光泽的细微差别，以及它与金属光泽的对比。这种体验式学习强化了矿物学的理论方面，并帮助学生培养批判性的观察能力。总之，术语非金属光泽涵盖了各种矿物中发现的广泛外观和特性。它在鉴别、分类和实际应用中的重要性不容小觑。随着我们继续探索矿物的迷人世界，对非金属光泽的更深入理解将增强我们对地球资源自然美和复杂性的欣赏。