石黄,别名雌黄,主要成分为As2S3。晶体属单斜晶系的硫化物矿物。单晶体呈板状或短柱状,集合体呈片状、肾状、土状等。板状解理极完全。摩氏硬度低,为1.5-2,比重3.49。柠檬黄色,条痕鲜黄色,油脂光泽至金刚光泽。与自然硫相似,但自然硫不具完全解理。
简要介绍了浅埋暗挖法施工技术在石黄隧道的具体应用。
The paper also introduces briefly the practical application of shallow mining method to Shihuang tunnel.
入漆颜料除银朱之外,还有石黄、钛白、钛青蓝、钛青绿等。
In addition to vermilion paint into the paint, there are stone yellow, titanium dioxide, titanium blue, titanium green and so on.
黄榴石是一个金黄色的品种和黑榴石是一个黑色的品种。
Topazolite is a golden-yellow variety and melanite is a black variety.
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