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Talc, or talcum, is a clay mineral composed of hydrated magnesium silicate, with the chemical formula Mg 3 Si 4 O 10 (OH) 2. Talc in powdered form, often combined with corn starch, is used as baby powder. This mineral is used as a thickening agent and lubricant. It is an ingredient in ceramics, paints, and roofing material.
Learn about the possible link between talcum powder and ovarian, lung, and other cancers. Find out how talc is made, used, and regulated, and what the evidence says about its safety.
Jun 5, 2024 · Talc is a soft, greasy mineral that is used in various products such as soapstone, lubricants, and cosmetics. Learn about its chemical composition, metamorphic origin, and distinctive features from Britannica.
- The Editors of Encyclopaedia Britannica
Talc: Talc is a phyllosilicate mineral that cleaves into thin sheets. These sheets are held together only by van der Waals bonds, which allows them to easily slip past one another. This characteristic is responsible for talc's extreme softness, its greasy to soapy feel, and its value as a high-temperature lubricant.
- Silicate
- Pearly
- Green, white, gray, brown, colorless
- White to pale green
Talc is an important accessory mineral and can be found worldwide. Crystallized Talc in very small crystals comes from the Trimouns Talc Mine, Luzenac, France; and from Brosso, Lessolo, Italy. Excellent Talc pseudomorph s, especially after Quartz, are famous from the Johannes Mine in Göpfersgrün, Bavaria, Germany.
- Mg3Si4O10(OH)2
- White
- Basic magnesium silicate
Talc | H2Mg3O12Si4 | CID 26924 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.
Dec 15, 2021 · Talcum powder is a common ingredient in cosmetic products, but it may have a link to some types of cancer, such as ovarian and lung. Learn about the mixed results of the research, how to reduce your exposure to talc, and what the FDA says about asbestos contamination.
