Blue Marsh Onyx
The best unique multi-color of Onyx Stone is named Blue marsh Onyx which is including magnificent colors such as, Blue, green, Gold, yellow. In addition, this type of blue onyx known as a Blue Rainbow in Iran. Due to the combination of lovely colors, cross cut and vein cut both is applied on it and acceptable as a great and suitable cut. Blue onyx stone quarry like most of MGT Stone quarries is placed in north west of Iran.