皂石(英语:Soapstone或Steatite)是一种滑石片岩,属于变质岩类。主要由富含镁的矿物滑石组成,因质感滑如肥皂得名。通常于俯冲带经动热力变质作用或交代变质作用形成。常用作雕刻或绝缘体材质。
这是一篇关于岩石的小作品。您可以通过编辑或修订扩充其内容。 |
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