RK Marble Pvt. Ltd. Offers 90 Degree Phyllite Stone. RK Marble Pvt. Ltd. Is an ISO 9001:2000 registered company. 90 Degree Phyllite Stone is in fact far above the slate in the chain metamorphism. 90 Degree Phyllite Stone give the purest element of nature. It is available under the brand name of Ocean Black. This 90 degree phyllite stone is available in stone finish and in variety of thicknesses and sizes.
