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File:Soapstone (Speckstein) - several colored samples.jpg
来自维基百科,自由的百科全书
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File:Soapstone (Speckstein) - several colored samples.jpg
license of your choice. English
Soapstone
(steatite) is a naturally occurring chemical substance. German
Speckstein
(Steatit, Lavezstein, Talcusstein