Mossa'ei Shabbath Qodesh Parshath Wa'era 5768
The ideal vessel from which to drink tea is porcelain.
Ask anyone from Great Britain.
Not in the Middle East, though, where one is obligated to burn ones hand on a scorchingly hot glass.
Here's a tip. Make sure the glass is not filled all the way. Then encircle the glass with your thumb and forefinger, just under the rim. Drink and enjoy without getting burned.