Black refractory brick is one of the types of bricks available in Namachin brick collection. But we have examined it here separately. This brick color gives you the opportunity to make your house or building unique. This fire brick is often used to add beautiful tones along with other border colors. Black bricks can look modern, but they can also look traditional or even historic. As the darkest of neutral bricks, black bricks come in variations such as pale black, smoky black, and dark black. To increase or decrease the amount of darkness during the preparation of bricks, the amount of manganese and related compounds is decreased or increased.