Construction marble products is a stone which is composed of calcite, dolomite or serpentine which is capable of taking a polish. More generally in construction, specifically the dimension stone trade, the term "marble" is used for any crystalline calcitic rock (and some non-calcitic rocks) useful as building stone. Are you looking Oman marble supplier in Muscat? Call below business card details for your marble products suppliers in Oman. Marble products (and its wildly varying relatives: travertine, limestone and onyx) is a metamorphic form of limestone. ... The result is a material that retains all the beauty of marble, while offering the performance of a durable composite.