A yellow-brown to black or green hydrocarbon wax, found in irregular veins in sandstones and used in making electrical insulation and polishes.

 
  • 石蜡一种棕黄粉至黑色或绿色的碳氢化合的蜡状物,发现于不规则沙石的岩脉中,并用来制作电绝缘和上光剂
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