TERMIUM Plus®

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MG3SI4O10(OH)2 [1 record]

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Alphabetical list of terms

Record 1 2012-04-19

English

Subject field(s)
  • Mineralogy
  • Chemistry
Universal entry(ies)
Mg3Si4O10(OH)2
formula, see observation
3MgO·4SiO2·H2O
formula, see observation
14807-96-6
CAS number
DEF

A naturally occurring monoclinic mineral of hydrated silicate of magnesium which covers a wide range of products of diverse composition, shape, purity and brightness, occurs in foliated, granular or fibrous masses, appears usually under the form of a white, apple-green, gray powder or of transparent laminae or plates, with a characteristic soapy or greasy feel and a shining lustre ...

OBS

... used in ceramics, in cosmetics and pharmaceuticals, as a filler in rubber, paints, soap, putty, plaster and oilcloth, as a dusting agent, as a lubricant, in paper, in slate pencils and crayons and for electrical insulation.

OBS

Talc exists in three varieties: foliated, massive (steatite or soapstone), and indurated (talc slate or schist). Compact, massive varieties may be called steatite in distinction from the foliated varieties, which are called talc. Soapstone is an impure variety of steatite.

OBS

Chemical formulas: Mg3Si4O10(OH)2 or 3MgO·4SiO2·H2O

OBS

talc: term standardized by ISO; officially approved by the Lexicon Project Committee (New Brunswick).

OBS

Also known under a very large number of commercial designations, such as: Agalite; Asbestine; B 9; B 13; Beaver White 200; B 13 (mineral); CP 10-40; CP 38-33; Crystalite CRS 6002; Desertalc 57; Emtal 500; EX-IT; Fibrene C 400; Finntalc C10; FW-XO; IT Extra; LMR 100; Micro Ace K1; Micron White 5000A; Microtalco IT Extra; Mistron 139; Mistron RCS; Mistron Star; Mistron Super Frost; Mistron Vapor; MP 12-50; MST; Mussolinite; Nytal 200; P 3; PK-C; PK-N; Polytal 4641; Steawhite; Supreme; Supreme Dense; Talcan PK-P; Talcron CP 44-31; Talcum; TY 80.

French

Domaine(s)
  • Minéralogie
  • Chimie
Entrée(s) universelle(s)
Mg3Si4O10(OH)2
formula, see observation
3MgO·4SiO2·H2O
formula, see observation
14807-96-6
CAS number
DEF

Silicate naturel de magnésium hydraté renfermant de l'eau et diverses impuretés [telles le fer, l'aluminium], trouvé en amas lamellaires, constituant le plus tendre des minéraux, onctueux au toucher, blanc ou coloré [...]

OBS

[Utilisé] entre autres en pharmacie, comme poudre de toilette, comme enduit pour produits caoutchoutés, dans la fabrication de produits de haute réfractarité et dans les peintures.

OBS

Identifié dans le Colour Index par le numéro C.I. «CI 77 718» et le nom C.I. «Pigment White 26».

OBS

Formules chimiques : Mg3Si4O10(OH)2 ou 3MgO·4SiO2·H2O

OBS

talc : terme normalisé par l'AFNOR et par l'ISO; uniformisé par le Comité du projet de lexiques (Nouveau-Brunswick).

PHR

Poudre de talc.

PHR

Saupoudrer de talc.

Spanish

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