PROBLEM TO BE SOLVED: To obtain a blended yarn of silk with a synthetic fiber containing tourmaline fine powder mixed therewith and capable of reducing trouble by a electromagnetic wave harmful to a human body by absorbing the electromagnetic wave harmful to the human body, and irradiating a minus ion and far infrared rays acting good on the human body, and further to obtain a blended fabric of the silk and the synthetic fiber, and clothes. SOLUTION: This blended yarn of silk and a synthetic fiber is obtained by carrying out a mix spinning of plural synthetic fibers 1 containing tourmaline fine powder 1 mixed therewith and capable of generating a minus ion and irradiating far infrared rays by exciting the tourmaline with an electromagnetic wave, with plural silk fibers 3.
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