After introducing the world to the grandeur of Wonder Marble, R. K. Marble now presents 90 degree stone, a novel concept that’ll win the world over, once again. Simply because, now you have the freedom and power to choose the stone finish, thickness and size that you like.

The first offering under the brand name 90 degree stone is ‘Ocean Black’. Though geologically,
Ocean Black is a Phyllite stone, it is infact far above the slate in the chain metamorphism.
Ocean Black comes to you from India’s
exclusive Phyllite quarry, which is owned
by R. K. Marble. So go on, give in to
the purest element of nature. Style it,
the way you like it..