A type of clay that contains coal deposits.
वह मिट्टी जिसमें कोयला जमा होता है।
English Usage: The coal clay was used in the manufacturing of bricks.
Hindi Usage: कोयला मिट्टी का उपयोग ईंट बनाने में किया गया।
koyla mitti, koyla mitthi, koyla mity, koylee mitti, koyalaa mitti, coal mitti, koylaat mitti, koylah mitti
