Marble Silica Content

Commercially it includes all decorative calcium rich rocks that can be polished as well as certain serpentines verd antiques.

Marble silica content.

The table below describes typical silica quartz content of common natural and engineered. Petrographically marbles are massive rather than thin layered and consist of a. In contrast granite can contain up to 45 50 silica. Marble total dust journal of clinical rheumatology.

Typically marble is composed of the following major constituents. Calcium based stones including limestone and certain varieties of marble e g calcite dolomite and onyx contain little or no silica. Silica content is generally lower in natural stone products. Marble granular limestone or dolomite i e rock composed of calcium magnesium carbonate that has been recrystallized under the influence of heat pressure and aqueous solutions.

38 42 lime cao 20 25 silica sio2 2 4 alumina al2o3 1 5 2 5 various oxides nao and mgo and 30 32 various carbonates mgco3 and others. Occupational safety and health administration. Though granite marble and engineered stone all can produce harmful silica dust when cut ground or polished the artificial stone typically contains much more silica says a cdc researcher. Marble is commonly used for sculpture and as a building material.