What type of teapot is recommended for delicate tea like green or white tea?

A ceramic teapot, which offers higher heat retention than teapots made from other materials, is ideal for delicate teas. A porcelain teapot also works well.

What type of teapot should I use if I'm brewing black or herbal tea?

An enameled cast-iron teapot, which keeps tea hot for up to one hour, is great for brewing tea that requires high heat like black or herbal tea. A ceramic teapot is another good choice.

How can I use a clay teapot and a glass teapot?

A clay teapot is best for brewing oolong and pu-er teas, while a glass teapot is best for blooming flower tea.