alpha quartz

简明释义

1. α石英; 2. 低温石英;

英英释义

例句

1.The mineral sample was primarily composed of alpha quartz, which is known for its stability at room temperature.

这个矿物样本主要由α石英组成，已知其在室温下具有稳定性。

2.The optical properties of alpha quartz make it useful in various electronic applications.

α石英的光学特性使其在各种电子应用中非常有用。

3.The presence of alpha quartz in the sediment indicates a high degree of weathering.

沉积物中存在α石英表明风化程度较高。

4.During the experiment, we found that the alpha quartz crystals had unique piezoelectric properties.

在实验过程中，我们发现α石英晶体具有独特的压电特性。

5.In geology, alpha quartz is often studied to understand the thermal history of rocks.

在地质学中，α石英常被研究以了解岩石的热历史。

作文

In the world of geology, minerals play a crucial role in understanding the Earth's composition and history. One such mineral that is of great significance is alpha quartz, which is a common form of silica (SiO2). This form of quartz is characterized by its trigonal crystal system and is typically found in a variety of geological environments. The importance of alpha quartz extends beyond its abundance; it also serves as a key indicator of various geological processes. The structure of alpha quartz allows it to exhibit unique optical properties, making it valuable in both scientific research and various industrial applications. For instance, its piezoelectric properties enable it to be used in electronic devices, such as watches and clocks, where precise timekeeping is essential. Additionally, alpha quartz is often utilized in the production of glass, ceramics, and even in the manufacturing of high-tech components like semiconductors. Geologically, alpha quartz forms under specific temperature and pressure conditions, typically at temperatures below 573 degrees Celsius. Above this temperature, it transforms into beta quartz, which has a different crystal structure. This transformation is significant for geologists as it helps them understand the thermal history of rocks and the conditions under which they formed. By studying the presence and ratios of alpha quartz and beta quartz in rock samples, scientists can infer the thermal events that have affected a region over geological time. Moreover, alpha quartz is often found in sedimentary rocks, where it is a primary component of sandstones. Its durability and resistance to weathering make it a prevalent mineral in sediments, allowing it to be transported over long distances by wind and water. This mobility contributes to the formation of sedimentary basins, where layers of sediment accumulate over time, eventually solidifying into rock. The study of these processes provides valuable insights into past environmental conditions and the evolution of landscapes. In addition to its geological significance, alpha quartz holds cultural importance in various societies. Throughout history, quartz crystals have been used in jewelry, amulets, and tools. Many cultures attribute healing properties to quartz, believing it can enhance energy and promote clarity of thought. This cultural reverence for alpha quartz showcases the intersection between science and spirituality, illustrating how natural materials can hold both physical and metaphysical value. In conclusion, alpha quartz is more than just a common mineral; it is a fundamental component of our planet's geology and has numerous practical applications in technology and industry. Its unique properties and formation processes provide valuable information about the Earth's history and the environmental conditions that have shaped it. As we continue to study alpha quartz and its various forms, we deepen our understanding of not only the Earth itself but also the intricate relationship between humans and the natural world. Whether in scientific research or cultural practices, alpha quartz remains a fascinating subject worthy of exploration and appreciation.

在地质学的世界中，矿物在理解地球的组成和历史方面起着至关重要的作用。其中一种具有重要意义的矿物是alpha quartz，它是二氧化硅（SiO2）的常见形式。这种石英的特点是其三方晶系，通常在多种地质环境中发现。alpha quartz的重要性不仅在于其丰富性；它还作为各种地质过程的关键指标。alpha quartz的结构使其表现出独特的光学特性，使其在科学研究和各种工业应用中具有价值。例如，它的压电特性使其能够用于电子设备，例如手表和时钟，在这些设备中，精确的计时至关重要。此外，alpha quartz通常用于玻璃、陶瓷的生产，甚至在高科技组件如半导体的制造中也有应用。在地质上，alpha quartz在特定的温度和压力条件下形成，通常在573摄氏度以下的温度下。在这个温度以上，它会转变为beta quartz，后者具有不同的晶体结构。这种转变对于地质学家来说具有重要意义，因为它帮助他们了解岩石的热历史及其形成时的条件。通过研究岩石样本中alpha quartz和beta quartz的存在和比例，科学家可以推断出影响一个地区的热事件。此外，alpha quartz常常在沉积岩中发现，作为砂岩的主要成分。其耐久性和抗风化能力使其在沉积物中占据重要地位，允许其通过风和水运输长距离。这种流动性促进了沉积盆地的形成，在这些盆地中，沉积物层随着时间的推移积累，最终固化成岩石。对这些过程的研究提供了对过去环境条件和景观演变的宝贵见解。除了其地质意义外，alpha quartz在各种社会中也具有文化重要性。历史上，石英晶体被用作珠宝、护身符和工具。许多文化赋予石英治愈的特性，认为它可以增强能量并促进思维的清晰。这种对alpha quartz的文化崇敬展示了科学与精神之间的交集，说明自然材料如何同时具有物理和形而上的价值。总之，alpha quartz不仅仅是一种常见的矿物；它是我们星球地质的基本组成部分，并在技术和工业中具有众多实际应用。其独特的特性和形成过程为地球的历史以及塑造地球的环境条件提供了宝贵的信息。随着我们继续研究alpha quartz及其各种形式，我们加深了对地球本身以及人类与自然世界之间复杂关系的理解。无论是在科学研究还是文化实践中，alpha quartz仍然是一个值得探索和欣赏的迷人主题。