Includes more than 75 percent of known asteroids. Very dark with an albedo of 0.03-0.09. Composition is thought to be similar to the Sun, depleted in hydrogen, helium, and other volatiles. C-type asteroids inhabit the main asteroid belt's outer regions.

Source: NEAR press kit
Y'know, if you log in, you can write something here, or contact authors directly on the site. Create a New User if you don't already have an account.