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石棉是数种具有纤维状结晶性结构的不同的硅酸盐的总称,它们广泛分布于地壳内,并小量地存在于尘埃中。石棉主要有两类,即闪石(amphibole)和蛇纹石(serpentine)。在工业上使用的闪石有青石棉(crocidolite)、褐石棉(amosite)和芬兰石棉(anthophyllite)。由于青石棉的危险性很大,英国已不再进口此种石
Asbestos is a collective term for a number of different silicates with fibrous crystalline structures that are widely distributed in the earth’s crust and are present in small quantities in the dust. There are two main types of asbestos, amphibole and serpentine. The amphiboles used in the industry are crocidolite, amosite and anthophyllite. Due to the high risk of crocidolite, the United Kingdom no longer imports this type of stone