对于紫砂收藏友来说，“明针”二字应该很熟悉了，但对于很多接触紫砂壶时间不长的新壶友，可能并不明白这是什么东西。它们是紫砂壶加工成型中必不可少的工具之一，是最考验艺人制壶水平的一项重要工艺。"光明针"是宜兴紫砂壶成型工序，表面精加工的主要工具。

明针的作用是什么？它们在茶壶生胚制作完成时，将生胚表面作精加工的修胚（修整、刮平等）等动作。古时紫砂艺人曾用一句话来形容明针的作用和工序特性。“脱手则光能照面，出冶则资比凝铜”。

紫砂明needle 的材质及分类

Purple sand needles, also known as "cow horn slices", are the most common and best type of needle. They come in various shapes and sizes to suit different types of tea sets. The shape and thickness of the needles can be adjusted to create different patterns on the surface of the tea set.

The process of using a purple sand needle is quite intricate. The artisan first applies a layer of purple sand mixture to the surface of the tea set, then uses a needle to press down on it, creating a smooth surface that is both beautiful and functional.

The use of purple sand needles allows artisans to create unique patterns on each piece, making every tea set one-of-a-kind. This attention to detail is what makes Chinese art so highly valued around the world.

In conclusion, purple sand needles are an essential tool for creating beautiful and functional pieces like these delicate tea sets. Their unique designs make them not only aesthetically pleasing but also highly sought after by collectors worldwide.

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