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