Assam, Darjeeling, English Breakfast, Earl Grey – all these are Black Teas, the most commonly known tea throughout the world. But each is different! Darjeeling, the “champagne of tea” is as different from Assam as Chardonnay is from Chablis. Although they all begin as fresh green leaf, black teas get their dark color through a specific tea manufacturing process. For more on this, read our section on Tea Basics. Black teas are rich in antioxidants and are a great pick-me-up.