Materials handbook.(DOLOMITE-SEALS)

From: Ceramic Industry | Date: January 1, 2008 | Copyright information

DOLOMITE. CaMg[(C[O.sub.3]).sub.2]. Sp. gr. 2.9; hardness Mohs 3.5-4.0. A rock intermediate in composition between limestone (CaC[O.sub.3]) and magnesite (MgC[O.sub.3]). True dolomite is composed of 54% CaC[O.sub.3] and 46% MgC[O.sub.3]. Other materials containing appreciable amounts of magnesium carbonate, but less than the 46% found in true dolomite, are commonly called dolomitic limestones, and also are used in the ceramic industry.

In the raw state, dolomite may be w...

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