Qorveh Crystal stone is a metamorphic stone with small light crystals and has a white background with gray and dark veins, which are known as crystal stones in Iran. Water absorption and porosity of Qorveh crystal are very low. High compressive strength (both dry and wet) is also a sign of the health of this stone and the lack of weakness. In general, according to the results of various experiments and previous experiences, Qorveh Crystal stone is one of the best decorative stones for use in different parts of the building, especially the floor, stairs, pool, sauna, etc. This stone will give a special beauty to the building due to its bright color, beautiful design and the reflection of a lot of light inside the building, especially its bookmatch and four-match design.