Silicon, manufacturing method of a crystalline silicon material and silicon solar cells

Floating foreign matter removing component was dipped into the metal melt in the crucible, the metal melt surface by rotating the suspended foreign matter removing parts and concave shape, the floating foreign particles gather in the center portion of the metal melt surface floating particle adhered to remove parts, method for producing a metal containing suspended foreign matter removing step of removing the foreign matter removing part the floating foreign matter adhering from the metal melt.