Marble Silica Content

Exposure to silica which is a component found in marble dust is one risk factor for developing scleroderma.

Marble silica content.

Typically marble is composed of the following major constituents. 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. The table below describes typical silica quartz content of common natural and engineered. Practical reports on rheumatic and musculoskeletal diseases a case of localized scleroderma in a sculptor and his wife.

Petrographically marbles are massive rather than thin layered and consist of a. Marble is a metamorphic rock composed of recrystallized carbonate minerals most commonly calcite or dolomite marble is typically not foliated although there are exceptions in geology the term marble refers to metamorphosed limestone but its use in stonemasonry more broadly encompasses unmetamorphosed limestone. Silica content is generally lower in natural stone products. In contrast granite can contain up to 45 50 silica.

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. Calcium based stones including limestone and certain varieties of marble e g calcite dolomite and onyx contain little or no silica. Occupational safety and health administration. Commercially it includes all decorative calcium rich rocks that can be polished as well as certain serpentines verd antiques.