A pale yellow variety of crystalline quartz resembling topaz.
一种类似黄玉的晶体石英的淡黄色变体。
The silica bricks of high refractoriness, high loading and heavy melting point made of large crystalline quartz have already increased the life to 5 times.
用大结晶脉石英制成高耐火度、高荷重软化点硅砖,使用寿命提高5倍以上。
Any of various dark, granite - textured, crystalline rocks rich in plagioclase and having little quartz.
闪长岩一种黑色花岗岩的纹理的结晶质火岩石,富有斜长石,含有少量石英。
A mineral, especially a transparent form of quartz, having a crystalline structure, often characterized by external planar faces.
水晶一种具有晶体结构的矿石,尤指石英的一种透明形态,通常其晶面在同一平面上。
A mineral, especially a transparent form of quartz, having a crystalline structure, often characterized by external planar faces.
水晶一种具有晶体结构的矿石,尤指石英的一种透明形态,通常其晶面在同一平面上。
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