rainbow granite

rainbow granite

[′rān‚bō ′gran·ət]
(petrology)
A type of granite having either a black or dark-green background with pink, yellowish, or reddish mottling, or a pink background with dark mottling.
References in periodicals archive ?
The dance has since been revived twice, most recently for a fantastic run in a setting for the Rainbow Granite Quarry in Minnesota, in 2008.