Why some silicon metal surfaces look so colorful blue?

Why some silicon metal surfaces look so colorful blue?

Q:Why do some silicon metal surface looks so colorful blue?
A: When the metal silicon crystallizes, it is affected by the high temperature in the furnace, and some of them will break. But they continue being burned in the furnace, so its surface becomes colorful blue. In short, the surface has been burned.

Q: Does it affect the content and quality of the metal silicon?
A: No, they are the same as those ordinary ones without this color on the surface, so don’t worry.

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