It depends: how much do you heat it up? Say you put it in the microwave for 1 minute. It would be steaming hot. However, like pure south indians, if you steam it over the stove, strain the other...
I know this might sound strange but it's when the heat is reflected back into the cup the same way light is. Dark cups absorb the heat causing conduction.Hope this helps!
Metal is a good heat conductor, the heat from the tea conducts up the spoon. The ceramic cup may not be as quick to transfer heat as the ceramic may be not be as good as a conductor.
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