anhedral form

简明释义

他形;

英英释义

例句

1.The mineral's anhedral form suggests that it formed in a crowded environment with limited space.

该矿物的无晶面形态表明它是在空间有限的拥挤环境中形成的。

2.The crystal displayed an unusual anhedral form, which made it difficult to identify under the microscope.

该晶体呈现出一种不寻常的无晶面形态，这使得在显微镜下很难识别。

3.In contrast to euhedral crystals, those with an anhedral form can indicate rapid cooling.

与有晶面晶体相比，具有无晶面形态的晶体可能表明快速冷却。

4.Some gemstones exhibit an anhedral form due to their unique growth conditions.

一些宝石由于其独特的生长条件而呈现出无晶面形态。

5.Geologists often encounter rocks in an anhedral form when studying volcanic regions.

地质学家在研究火山地区时，经常会遇到呈现无晶面形态的岩石。

作文

In the world of geology and mineralogy, the term anhedral form refers to a crystal shape that lacks well-defined crystal faces. Unlike euhedral crystals, which exhibit smooth, flat surfaces and clear geometric shapes, anhedral form crystals are often irregular and do not display the typical symmetry associated with crystalline structures. This difference can be attributed to the conditions under which the crystals formed. Anhedral crystals typically arise in environments where there is limited space for growth, such as in tightly packed mineral aggregates or during rapid cooling processes. The significance of understanding anhedral form lies in its implications for mineral identification and the interpretation of geological processes. For instance, when geologists encounter a mineral specimen that exhibits an anhedral form, they may infer that the mineral crystallized in a crowded environment, where competition for space limited the development of distinct crystal faces. This can provide insights into the conditions of formation, such as temperature, pressure, and the availability of chemical constituents.Moreover, anhedral form is not just a characteristic of individual minerals but also plays a crucial role in the study of rock textures. In igneous rocks, for example, the presence of anhedral grains can indicate a history of rapid cooling, often associated with volcanic activity. Conversely, in metamorphic rocks, anhedral form may suggest recrystallization under high pressure and temperature conditions, where minerals have been forced to adapt to new environments.Understanding the concept of anhedral form can also extend beyond geology into fields like materials science and crystallography. Researchers studying the properties of materials often look at the arrangement of atoms and the shape of crystals to predict how those materials will behave under various conditions. An anhedral structure could imply different physical properties compared to a euhedral one, affecting everything from strength to conductivity.In practical applications, recognizing the anhedral form of a mineral can be essential in industries such as mining and construction. For instance, the extraction of certain minerals may depend on their crystal forms, influencing how they are processed and utilized. In the case of gemstones, an anhedral form might reduce their aesthetic appeal and market value, as consumers often prefer the clarity and brilliance associated with euhedral crystals.In conclusion, the term anhedral form encapsulates a fascinating aspect of crystallography that reflects the complex interplay between environmental conditions and mineral growth. By studying these irregular shapes, scientists can gain valuable insights into the history of the Earth and the processes that shape our planet. As we continue to explore the natural world, the importance of understanding crystal forms, including anhedral form, will remain a critical component of geological and material sciences.

在地质学和矿物学的世界中，术语无晶面形态指的是一种缺乏明确晶面特征的晶体形状。与展示光滑、平坦表面和清晰几何形状的有晶面晶体不同，无晶面形态的晶体往往是不规则的，并且不显示与晶体结构相关的典型对称性。这种差异可以归因于晶体形成时的条件。无晶面晶体通常在生长空间有限的环境中形成，例如在紧密堆积的矿物聚集体中或在快速冷却过程中。理解无晶面形态的重要性在于它对矿物鉴定和地质过程解释的影响。例如，当地质学家遇到一个展现无晶面形态的矿物标本时，他们可能会推断该矿物是在拥挤的环境中结晶的，在这种情况下，空间竞争限制了明显晶面特征的发展。这可以提供有关形成条件的见解，如温度、压力和化学成分的可用性。此外，无晶面形态不仅是单个矿物的特征，还在岩石纹理研究中起着至关重要的作用。例如，在火成岩中，无晶粒的存在可能表明快速冷却的历史，这通常与火山活动有关。相反，在变质岩中，无晶面形态可能暗示在高压和高温条件下的重结晶，其中矿物被迫适应新的环境。理解无晶面形态的概念还可以扩展到材料科学和晶体学等领域。研究材料特性的研究人员通常会观察原子的排列和晶体的形状，以预测这些材料在各种条件下的表现。无晶面结构可能意味着与有晶面结构相比，物理性质的不同，从强度到导电性都会受到影响。在实际应用中，识别矿物的无晶面形态在采矿和建筑等行业中可能至关重要。例如，某些矿物的提取可能依赖于其晶体形状，影响它们的加工和利用。在宝石的情况下，无晶面形态可能降低其美学吸引力和市场价值，因为消费者通常更喜欢与有晶面晶体相关的清晰度和光辉。总之，术语无晶面形态概括了晶体学的一个迷人方面，反映了环境条件与矿物生长之间复杂的相互作用。通过研究这些不规则形状，科学家可以获得关于地球历史和塑造我们星球的过程的宝贵见解。随着我们继续探索自然世界，理解晶体形状，包括无晶面形态的重要性将始终是地质和材料科学的关键组成部分。