Description: Dolomite 12mm Coin 14pcs approxSize: 12mm X 12mmShape: CoinMaterial: DolomitePackaging: Strand (approx 14 pcs)What Is Dolomite? Dolomite was named for the French mineralogist Deodat de Dolomieu. The mineral dolomite is commonly found in deposits of a sedimentary rock called dolostone.