脉石英是石英（ SiO2）的集合体，呈乳白、灰白、白色，油脂光泽，致密块状，比重2.65左右，熔点1700℃以上，耐温性好，耐酸碱性好，导热性差，高绝缘，低膨胀，化学性能稳定，硬度大于7。
七节脉石英 Vein Quartz
石英脉 quartz vein ; quartz reef ; Quartz dike
石英脉矿 quartz mine
含金石英脉 Gold-containing quartz dike ; gold bearing quartz vein ; Au-bearing quartz vein
石英脉型 quartz vein type
石英细脉 quartz stringer
石英脉型金矿 quartz vein gold deposit ; quartz-vein-type gold deposits
含晶石英脉 amethyst bearing quartz vein
含金石英脉型 Au quartz vein type
石英复脉型 multiplex-quartzite
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。
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.
石英是桂东地区各类金矿床中普遍出现的脉石矿物，同时也是重要的造岩矿物和金的载体。
Quartz is gangue mineral widespread in all types of gold deposits in Guidong Area and is an important rock-forming mineral and gold-carrier mineral as well.
矿石矿物主要为辉锑矿，脉石矿物有石英、蛋白石和方解石等。
The antimony ores are mainly composed of such minerals as stibnite, quartz, opal and calcite.
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