Calcium based stones including limestone and certain varieties of marble e g calcite dolomite and onyx contain little or no silica.
Marble silica content.
Occupational safety and health administration.
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.
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.
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.
Typically marble is composed of the following major constituents.
Marble is commonly used for sculpture and as a building material.
Silica content is generally lower in natural stone products.
Petrographically marbles are massive rather than thin layered and consist of a.
Exposure to silica which is a component found in marble dust is one risk factor for developing scleroderma.
Practical reports on rheumatic and musculoskeletal diseases a case of localized scleroderma in a sculptor and his wife.
Marble total dust journal of clinical rheumatology.
In contrast granite can contain up to 45 50 silica.