The word "talc" is spelled with a single "l" despite being pronounced with two syllables. Its IPA phonetic transcription is /tælk/ which represents the voiced alveolar stop "t" followed by the front mid vowel "æ" and the voiceless velar stop "k". This mineral is commonly used in the manufacturing of cosmetics, powders, and can also be found in some baby powder products. Its spelling may lead to confusion with the similar-sounding word "talk", however, the pronunciation is distinct.
Talc is a soft, white, crystalline mineral composed primarily of magnesium, silicon, and oxygen. It is widely recognized for its qualities of being the softest mineral on earth, often described as having a greasy or soapy feel. Its chemical formula is Mg3Si4O10(OH)2.
Talc is mainly used in the production of talcum powder, a popular cosmetic product known for its ability to absorb moisture and reduce friction, making it a common ingredient in baby powders, body powders, and various other personal care items. Its smooth texture and fine particles also make it useful in keeping skin dry and preventing chafing or irritation.
Apart from cosmetic use, talc also finds application in the manufacture of ceramics, paint, paper, and plastics. It is often used as a filler due to its low cost and ability to enhance certain properties, such as increasing durability, improving stiffness, or increasing thermal resistance.
Natural talc deposits can be found in various regions around the world, with major sources including China, the United States, India, Brazil, and France, among others. The extraction and processing of talc must adhere to strict quality standards to ensure consumer safety and prevent any potential health risks, as there have been concerns about its association with respiratory issues.
Overall, talc is a versatile mineral with unique characteristics and a wide range of applications in various industries, primarily valued for its softness, absorbency, and lubricating properties.
A foliated mineral of an apple-green, silver-white, and other shades of colour, translucent, and having a greasy feel-distinguished from mica by being much softer; forms the basis of the rouge used by women, and in its natural state used by tailors for drawing lines on cloth.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The word "talc" originated from the Arabic word "talk" or "talq", meaning "mica" or "powdered" substance. It was borrowed into Latin as "talcum" and eventually entered the English language as "talc" in the mid-16th century. The mineral talc, which the word refers to, is a soft, white, powdery substance commonly used in cosmetics and personal care products.